dengue essay in english for class 5

Essay on Dengue- Excellent for all level students

• Abdul Aouwal
• May 21, 2024

Here you will find an informative and beautifully structured Essay on Dengue. It is currently a very concerning and popular topic to write an essay on. So there is a very good chance that you may need to prepare a good Essay on Dengue. Below you will get the whole idea.

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Hi, I'm Abdul Aouwal

From Bangladesh, I am a blogger who writes about educational topics. My passion is to share knowledge and insights to help others learn and grow

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Amazing Essay of Dengue 100, 150, 200, 300 and 400 + Words

Essay of Dengue 100 Words

Dengue is a serious problem in many parts of the world. It can be deadly, and it is important to take steps to protect yourself from it. I hope this essay has helped you learn more about dengue and how to prevent it. Dengue is a disease caused by a virus that is transmitted by mosquitoes. It can cause severe flu-like symptoms, and in some cases, it can lead to death. The best way to prevent dengue is to avoid being bitten by mosquitoes. There is no specific cure for dengue, but early diagnosis and treatment can help reduce the severity of the disease.

Essay of Dengue 150 Words

Dengue is a disease caused by a virus that is spread by mosquitoes. It can cause severe flu-like symptoms, and in some cases, it can lead to death. The best way to prevent dengue is to avoid being bitten by mosquitoes. This can be done by wearing long-sleeved clothing, using mosquito nets, and using mosquito repellent. If you think you have dengue, it is important to see a doctor as soon as possible so that you can get the proper treatment. In conclusion, dengue fever is a mosquito-borne disease that can be deadly if not treated properly. Early symptoms of dengue fever include high Fever, severe headache, pain behind the eyes, muscle and join pain, and rash. If you experience these symptoms, it is important to seek medical attention immediately as dengue fever can progress quickly to Dengue hemorrhagic fever, which can be fatal. There is no specific cure for dengue fever and the best way to prevent it is to avoid mosquito bites by using insect repellent and wearing long sleeves and pants when outdoors.

Essay of Dengue 200 Words

Dengue is a mosquito-borne viral infection that causes severe flu-like symptoms. People of all ages can be affected by dengue, but it is most common in tropical and subtropical regions. There is no specific treatment for dengue, so the best way to prevent it is to avoid being bitten by mosquitoes. Mosquitoes that carry the dengue virus are active during the day, so it is important to use insect repellent and wear long-sleeved clothing when outdoors. Dengue fever is a serious health concern in many parts of the world. The disease is caused by the dengue virus and is transmitted by the Aedes aegypti mosquito. Symptoms of dengue fever include high fever, severe headache, pain behind the eyes, muscle and joint pain, rash, and vomiting. Dengue fever can lead to serious health complications such as hemorrhagic fever and dengue shock syndrome. There is no specific treatment for dengue fever, but early diagnosis and supportive care can help reduce the severity of symptoms. There is no one definitive answer to this question as there are a variety of factors that can contribute to the development of dengue fever. However, some potential causes include exposure to contaminated water or mosquito bites, living in or traveling to areas where the disease is prevalent, and having certain medical conditions that make you more susceptible to infection.

Essay of Dengue 300 Words

Dengue is a mosquito-borne disease that causes severe flu-like symptoms in humans. It is caused by the dengue virus and is transmitted by the Aedes aegypti mosquito. Dengue fever is a leading cause of death in many tropical and subtropical countries. There is no specific treatment for dengue fever and no vaccine is available to prevent it. The best way to prevent dengue fever is to avoid mosquito bites. Dengue fever typically lasts for four to seven days. Symptoms include high fever, severe headache, joint pain, muscle pain, nausea, vomiting, and rash. Some people may develop severe dengue fever, which can lead to death. Early diagnosis and prompt treatment of severe dengue fever are critical to preventing death. The different types of dengue There are four different types of dengue virus, each with unique characteristics. The first type of dengue virus is the most common and is responsible for the majority of infections. This virus is typically spread through the Aedes aegypti mosquito, which is found in tropical and subtropical regions. The second type of dengue virus is less common than type 1, but can cause more severe symptoms. This virus is typically spread through the Aedes albopictus mosquito, which is found in temperate regions. The third type of dengue virus is the least common but can cause the most severe symptoms. This virus is typically spread through the Aedes polynesiensis mosquito, which is found in tropical regions. The fourth type of dengue virus is also relatively rare and can cause mild to moderate symptoms. This virus is typically spread through the Aedes scutellaris mosquito, which is found in tropical and subtropical regions. Dengue is a potentially deadly disease caused by the dengue virus. There is no specific treatment for dengue and it can be fatal if not treated properly. The best way to prevent dengue is to avoid mosquito bites by using mosquito nets and repellents, and keeping your surroundings clean and free of stagnant water where mosquitoes can breed.

Essay of Dengue 400 + Words

Dengue is a viral disease that is transmitted by mosquitoes. It can cause severe fever and flu-like symptoms. In severe cases, it can lead to death. There is no specific treatment for dengue, but early diagnosis and prompt treatment of severe cases can improve the chances of recovery.

What is Dengue Fever?

Dengue fever is a tropical disease caused by the dengue virus. It is transmitted by mosquitoes and causes severe flu-like symptoms. Dengue fever can be deadly if not treated properly, so it is important to be aware of the symptoms and seek medical help if you think you may have the disease.

The Different Types of Dengue

There are four different types of dengue, all of which are caused by different strains of the dengue virus. The four types are:

• Dengue fever

Dengue hemorrhagic fever

• Dengue shock syndrome
• Dengue fever with severe bleeding

Dengue fever is the most common type of dengue and is typically the mildest form. Symptoms include fever, headache, muscle and joint pain, and a rash. Dengue hemorrhagic fever is a more severe form of dengue and can be fatal if not treated promptly. Symptoms include bleeding from the nose, gums, or under the skin, as well as low blood pressure and difficulty breathing. Dengue shock syndrome is the most severe form of dengue and can be fatal. Symptoms include extreme weakness, hypotension (low blood pressure), and collapse. Dengue fever with severe bleeding is a rare form of dengue that can also be fatal. Symptoms include severe bleeding from any site, as well as low blood platelet count and/or hemoconcentration (increased hematocrit). Early diagnosis and treatment of dengue is critical to preventing serious complications or death.

Symptoms of Dengue

Dengue fever is a disease caused by a virus that is transmitted by mosquitoes. The symptoms of dengue fever include:

• Muscle and joint pain
• Nausea and vomiting

If you think you may have dengue fever, it is important to see a doctor as soon as possible so that you can receive the proper treatment. There is no specific cure for dengue fever, but there are ways to alleviate the symptoms and make the recovery process more comfortable. Treatment focuses on relieving the symptoms and supporting the body as it fights off the infection.

How to Prevent Dengue

Dengue is a disease caused by a virus that is spread by mosquitoes. It can cause severe illness and even death. The best way to prevent dengue is to avoid being bitten by mosquitoes. There are four different types of dengue virus. Infection with one type does not protect you from getting infected with another type. Dengue is most common in tropical and subtropical areas of the world. Outbreaks usually occur during the rainy season when there are more mosquitoes. Symptoms of dengue include high fever, severe headache, pain behind the eyes, muscle and joint pain, and rash. Dengue can lead to serious complications such as hemorrhagic fever (bleeding from the nose, mouth, gums or under the skin) and shock (low blood pressure). If you think you have dengue, you should see a doctor immediately. There is no specific medicine for dengue and there is no vaccine to prevent it. Treatment focuses on relieving symptoms and supporting the patient’s body until the disease passes. The best way to prevent dengue is to avoid being bitten by mosquitoes. There are several things you can do to avoid mosquito bites

Dengue Treatment

Dengue is a virus that is transmitted by mosquitoes. There is no specific cure for dengue, but there are treatments that can help relieve the symptoms. There are four main types of dengue fever, and each one has different symptoms. The most severe form of dengue fever is hemorrhagic dengue, which can lead to death.

Symptoms of dengue fever include:

• Severe headache
• Pain behind the eyes
• Loss of appetite

If you think you have dengue fever, it is important to see a doctor right away. Early diagnosis and treatment is essential to prevent the disease from progressing to a more severe form.

Dengue hemorrhagic fever, also known as dengue fever, is a potentially deadly mosquito-borne illness. Symptoms of dengue fever include severe headache, high fever, severe joint and muscle pain, nausea and vomiting, and rash. Dengue hemorrhagic fever can lead to death if not treated promptly and properly. Early diagnosis and treatment of dengue fever is critical to preventing serious illness or death.

Dengue Shock Syndrome

Dengue is a disease caused by a virus that is transmitted by mosquitoes. The symptoms of dengue include fever, headache, muscle and joint pain, and rash. Dengue can be severe, and in some cases it can lead to dengue shock syndrome, which is a life-threatening condition. Early diagnosis and treatment of dengue is important to prevent it from becoming severe.

Dengue in Pregnant Women

There is a lot of concern about dengue in pregnant women because it can cause severe birth defects. However, the good news is that there are steps that pregnant women can take to protect themselves from this disease. The first step is to avoid mosquito bites. This can be done by wearing long sleeves and pants when outdoors, using mosquito nets when sleeping, and using mosquito repellent. If you live in or travel to an area where dengue is common, it is also important to get regular blood tests to check for the presence of the virus. If you do contract dengue, it is important to seek medical treatment immediately. With proper precautions, pregnant women can protect themselves from this dangerous disease.

Dengue is a dangerous disease that can cause severe illness and even death. Early detection and treatment are essential to preventing serious complications. There is no specific cure for dengue, but there are steps that can be taken to relieve symptoms and improve recovery. Dengue fever is a potentially deadly disease caused by the dengue virus. Dengue is spread by mosquitoes, and symptoms typically begin three to fourteen days after being bitten by an infected mosquito. Dengue fever can cause severe flu-like symptoms, including high fever, headache, muscle and joint pain, nausea, and vomiting. In severe cases, dengue can lead to hemorrhagic fever (a form of bleeding disorder) or shock syndrome (a life-threatening drop in blood pressure). There is no specific treatment for dengue, but early diagnosis and prompt supportive care can improve outcomes. Treatment focuses on relieving symptoms and supporting the body through the recovery process. Recovery from dengue fever usually takes two to seven days. With no specific cure or prevention available, the best way to protect yourself from dengue is to avoid mosquito bites. To do this, you can use mosquito nets and repellents, wear long-s

Related Posts

Essay on How To Prevent Dengue

Students are often asked to write an essay on How To Prevent Dengue in their schools and colleges. And if you’re also looking for the same, we have created 100-word, 250-word, and 500-word essays on the topic.

Let’s take a look…

100 Words Essay on How To Prevent Dengue

Understanding dengue.

Dengue is a sickness spread by mosquitoes. When an infected mosquito bites a person, they can get dengue. It can make people feel very sick. To stop dengue, we need to stop these mosquitoes.

Stopping Mosquitoes

To prevent dengue, keep mosquitoes away. Make sure water doesn’t collect in places like flower pots or buckets because mosquitoes lay eggs in water. Use screens on windows and doors.

Protect Yourself

Wear long sleeves and pants to cover your skin. Use mosquito repellent on your body. These steps will help keep mosquitoes from biting you.

Throw away trash and clean places where water can stand. A clean environment will discourage mosquito breeding. Always remember, no mosquitoes mean no dengue.

250 Words Essay on How To Prevent Dengue

Dengue is a sickness spread by mosquitoes. These mosquitoes bite during the day, especially early in the morning or before it gets dark. When they bite someone who is sick with dengue, they can then spread it to other people. To stop dengue, we need to stop these mosquitoes.

Keep Water Clean

Mosquitoes that spread dengue love to lay their eggs in water that does not move, like in buckets, bowls, or pots. It’s important to keep these containers empty or covered so mosquitoes cannot use them. If you have things like flower vases or pet water bowls, change the water every day.

Stay Safe Inside

To keep mosquitoes away, use screens on windows and doors. If you don’t have screens, try to use mosquito nets over your bed when you sleep. You can also use air conditioning because mosquitoes do not like cold places.

When you go outside, wear clothes that cover your arms and legs. Use mosquito repellent on your skin that is safe and works well. Sprays or creams can be good choices.

Mosquitoes can hide and lay eggs in tall grass and trash. Keep your yard and places near your home clean. Throw away trash like cans or bottles where water can collect.

Remember, stopping dengue starts with each of us. By keeping our homes and neighborhoods clean and using protection like nets and repellents, we can fight against dengue together.

500 Words Essay on How To Prevent Dengue

Dengue is a sickness spread by mosquitoes, tiny insects that bite humans and animals. When a mosquito bites a person who has dengue, it can pick up the virus and then spread it to others. This illness can make people feel very sick, with high fever, pain in their muscles, headaches, and a rash. To avoid getting dengue, we need to stop these mosquitoes from biting us and from breeding.

Stopping Mosquitoes from Breeding

Mosquitoes lay eggs in water, so the first step in preventing dengue is to get rid of any standing water around your home. This means emptying out flower pots, buckets, and barrels after it rains. If you have a water tank or a container that you can’t empty, make sure it’s covered so mosquitoes can’t get in. Clean your gutters too, so water doesn’t stand in them and give mosquitoes a place to breed.

Protecting Yourself from Bites

To keep mosquitoes from biting you, wear clothes that cover your arms and legs, especially during early morning and late afternoon, when mosquitoes are most active. Use mosquito repellent on your skin and clothes. There are special creams and sprays you can buy that help keep mosquitoes away. At night, sleep under a mosquito net, especially if you live in a place where there are lots of mosquitoes.

Keeping Mosquitoes Out of Your Home

Make sure your windows and doors have screens that are in good condition to stop mosquitoes from coming inside. If there are holes in the screens, fix them. Use air conditioning if you have it, as it can help keep mosquitoes outside. Mosquitoes don’t like cold, moving air.

Community Action

Fighting dengue is not just a job for one person; it’s something the whole community should do together. Talk to your neighbors about the importance of getting rid of standing water and protecting themselves from mosquito bites. Sometimes, health workers spray chemicals to kill mosquitoes in areas where there is a lot of dengue. If this happens in your area, stay inside while they’re spraying and follow any instructions they give.

Preventing dengue is important because it keeps us healthy and out of the hospital. By getting rid of standing water, protecting ourselves from mosquito bites, keeping our homes mosquito-free, and working together as a community, we can stop the spread of dengue. Remember, every small step helps, and when we all do our part, we can make a big difference. Stay safe and be proactive in the fight against dengue!

That’s it! I hope the essay helped you.

If you’re looking for more, here are essays on other interesting topics:

• Essay on How The Earth Was Formed
• Essay on How The Brain Works
• Essay on How Social Media Affects Mental Health

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English Compositions

Write a Report on Dengue Awareness Camp [PDF]

In this article, you will learn how to write a report on Dengue Awareness Camp. So let’s get started.

Example 1: Write a Newspaper Report on Dengue Awareness camp.

DENGUE AWARENESS CAMPAIGN BY SAI INTERNATIONAL SCHOOL

Reported by: Lalita Panda, Staff Reporter, TOI

August 12, 2020; Bhubaneswar: The students, teachers and staff of Sai International School, Bhubaneswar participated in a Dengue Awareness campaign.

The program was guided by Shri Ratan Paikray, the honourable principal of the school. The campaign took place from 5 th August 2020 to 11 th August 2020 in the school premises and mainly around the adjacent localities respectively.

Under this campaign, various contests and events were held to encourage more participation. Poster making, slogan writing, banner making competitions were held at the school level along with a digital doodling competition. The efforts made by the students were reflected by their performances in all the activities.

Approximately 400 students from classes I to XII participated with great enthusiasm to help to eliminate dengue and create a healthy environment. The students were mentored by nearly 40 teachers for this event.

The students conducted a rally in which they taught the people of nearby localities about the perils of Dengue. The students went from locality to locality and contributed their part by cleaning the environment, disposing of wastes and litter properly in the closed dustbin and clearing clogged water from pipes and drain respectively. The students received appreciation from even the municipality for their humanitarian initiative.

Example 2: Write a report on Dengue Awareness Program organized by Welfare Section South Eastern Railway.

DENGUE AWARENESS PROGRAM BY WOMEN WELFARE DEPARTMENT

Reported by: Sudheer Parekh

August 12, 2020, Patna: The members and associates of the South Eastern Railway Women Welfare department conducted an awareness program highlighted on Dengue for two weeks from 25 th July 2020 to 7 th August 2020 respectively in the local area.

The program was induced under the guidance of Miss Malini Singh, Secretary of South Eastern Railway Women Welfare Department combined with the sincere efforts made by all other members of the association.

A conference was held in which other officers, businessmen as well as students were cordially invited to signify the importance of hygiene at both personal as well as community levels respectively.

The members participated in a rally in which they preached the significance of maintenance of hygiene. They cleaned the nearby surroundings along with the coordinated efforts by the local people.

The Women Welfare department provided mosquito coils, mosquito-repellent creams as well as mosquito nets free of cost among the rural segments of nearby localities.

The program was also associated with the Directorate of the National Vector Borne Disease Control Programme.  Frequent check-ups were carried during the campaign to spread awareness among the public.

Example 3: Write a report on the dengue awareness program arranged by the members of The Municipal Corporation of Coimbatore.

Dengue Awareness Program

By Tarun Sampath, Staff Reporter

August 12, 2020; Coimbatore: Dengue is a mosquito-borne disease that is widespread globally. An awareness program was organised by the members of The Municipal Corporation of Coimbatore on dengue fever among adults residing in the nearby rural slums and shantytowns in Coimbatore.

The basic objective of this campaign was to increase awareness in an effective way among the general public. The campaign was initiated with pre-planned surveys and questionnaires. Approximately two hundred people had participated in these programs. The results were recorded for further use.

Various Health education programs were voluntarily managed by the members of the corporation. The localities were advised to keep their surroundings neat and clean, to manage wastes effectively and to prevent stagnation of water in or near houses. The use of mosquito coils and mosquito nets were appreciated.

A wide range of interactive public events such as debates, conferences and quizzes were held to enhance the participation of localities.

A cross-sectional study was also conducted to calculate the sample size of the data, so as to make logical and statistical inferences. The results were further analysed and interpreted to improve the knowledge and level of awareness among people.

Example 4: Suppose your school organized a dengue awareness programme for a day. Now write a report on this for your school Magazine.

Dengue Awareness in School

By Aashirbad Dalia

The adversely increasing number of Malaria cases are mainly contributed by limited awareness, lack of attention and irregular health education programmes.

Our school conducted a dengue awareness program to evaluate the existing level of awareness. The students and teachers planned a well-designed and structured dengue awareness program for the same.

We had to take home a self-administered questionnaire to evaluate the present status of knowledge. The next day, the teachers evaluated the answers. After evaluation, all of us were asked to attend a dengue awareness programme at the school auditorium. Nearly five hundred students participated in this program.

We were taught about dengue infection, symptoms, modes of transmission and precautions and modes of treatment as well. Besides that, we were also educated about the importance of solid waste, management and maintenance of personal hygiene.

A group of senior students voluntarily took part in the larval surveillance activities.

We were provided with ample knowledge about this disease as well as its carrier. After the completion of the campaign, a post session survey was conducted. It was assessed that our mean knowledge score about dengue prevention had increased by 34.65% approximately.

There you have it: Report on Dengue Awareness Camp . I hope you found this article interesting. I have already written a lot of articles regarding English Compositions, feel free to check those too.

Report Writing: Dengue Awareness Camp

Dengue fever remains a significant public health challenge in many tropical and subtropical regions. Awareness and education are crucial for preventing outbreaks. If you’ve been tasked with writing a report on a Dengue Awareness Camp, your document should effectively capture the event’s essence, educate readers, and encourage community engagement. Below is a step-by-step guide to help you create an informative and impactful report.

Table of Contents

Introduction and Purpose

Begin your report by detailing the essential logistics of the Dengue Awareness Camp, including the date, location, and organizing entity. Clarify the camp’s primary objective, focused on increasing public knowledge about dengue fever prevention and treatment. This section sets the foundational context for the report, informing readers about the motivations behind the event and its intended impact on the community.

Activities and Participant Engagement

Outline the various activities that took place during the camp, such as educational workshops, interactive demonstrations, and presentations by health experts. Highlight the participation demographics, emphasizing targeted groups like school children or elderly community members. Describe the active involvement of attendees in learning about and practicing dengue prevention techniques, which showcases the camp’s interactive approach and its direct engagement with the community.

Outcomes and Future Directions

Summarize key insights shared during the camp, including critical data on dengue prevalence and effective preventive measures. Discuss the educational outcomes, noting any observed changes in participants’ awareness or behaviors. Address challenges faced during the event and suggest opportunities for future improvement. Conclude by reinforcing the importance of continuous community education on dengue and encourage proactive participation in upcoming health initiatives. This final section reflects on the camp’s overall success and its role in fostering a public informed about dengue prevention.

Dengue Awareness Camp Report Example #1

Dengue fever is a viral infection that is transmitted by mosquitoes. It is a serious public health issue, and the number of cases has been increasing worldwide. In order to combat this disease, it is important to create awareness about its prevention and control. One effective way to do this is by organizing dengue awareness camps. In this essay, we will discuss the importance of creating awareness about dengue fever, the activities conducted during a typical dengue awareness camp, and the impact of such camps.

Creating awareness about dengue fever is crucial because of the high number of cases and deaths caused by the disease. According to the World Health Organization (WHO), there were 2.4 million cases of dengue reported in the Americas in 2019, with over 1,000 deaths. In addition, the number of cases has been increasing in other regions as well. Educating people about the preventive measures is important to control the spread of the disease. This includes measures such as avoiding mosquito bites, eliminating mosquito breeding sites, and early detection and treatment of the disease.

A dengue awareness camp typically includes various activities to educate people about the disease. One such activity is the distribution of informative brochures and pamphlets that provide information about dengue prevention and control. Interactive sessions are also conducted to engage people in discussions about the disease and its impact. These sessions may include demonstrations of mosquito breeding sites and how to eliminate them. Such practical demonstrations can be very effective in creating awareness among people.

The impact of a dengue awareness camp can be measured by the feedback from participants and the reduction in dengue cases in the area after the camp. The feedback from participants can provide valuable insights into the usefulness of the camp and areas for improvement. Reduction in dengue cases is a clear indication that the camp was effective in creating awareness and promoting preventive measures. Based on the success of the camp, plans can be made for future awareness campaigns and follow-up activities to sustain the impact.

Dengue fever is a serious public health issue that requires collective efforts to control its spread. A dengue awareness camp is an effective way to create awareness about the disease and promote preventive measures. The impact of such camps can be measured by the feedback from participants and the reduction in dengue cases in the area. It is important to continue

Dengue Awareness Camp Report Example #2

Dengue fever is a potentially deadly viral disease that has become a major public health concern in many countries around the world. In order to raise awareness about the disease and educate the public about ways to prevent its spread, many organizations and governments have started organizing dengue awareness camps. In this essay, we will discuss the importance of such camps, the various ways in which dengue can be transmitted, and the preventive measures that individuals can take to reduce their risk of contracting the disease.

The first reason why dengue awareness camps are important is that they help to educate the public about the disease and its potential consequences. Many people are not aware of the severity of dengue fever and may not take the necessary precautions to prevent its spread. By attending an awareness camp, individuals can learn about the symptoms of dengue, the ways in which it is transmitted, and the steps that they can take to protect themselves and their families.

Another important aspect of dengue awareness camps is that they provide information about the various ways in which the disease can be transmitted. Dengue fever is primarily spread through the bite of infected Aedes mosquitoes, but it can also be transmitted through blood transfusions, organ transplants, and from a mother to her baby during pregnancy. By understanding these modes of transmission, individuals can take steps to reduce their risk of contracting the disease.

Finally, dengue awareness camps provide information about the preventive measures that individuals can take to reduce their risk of contracting the disease. These measures include proper sanitation practices, such as keeping the surrounding areas clean and free of stagnant water, and the use of insect repellent to protect against mosquito bites. Individuals can also take steps to protect themselves at home by using mosquito nets and screens on windows and doors.

In conclusion, dengue awareness camps play an important role in educating the public about the dangers of dengue fever and the steps that can be taken to prevent its spread. By attending these camps, individuals can learn about the symptoms of the disease, the modes of transmission, and the preventive measures that they can take to protect themselves and their families. It is important for governments and organizations to continue organizing these camps in order to raise awareness about dengue and reduce the incidence of the disease.

Dengue Awareness Camp Report Example #3

The dengue awareness camp was organized with the aim of raising awareness about the deadly disease and its prevention. The camp brought together healthcare professionals, community leaders, and volunteers to educate the public about dengue fever and ways to prevent its spread.

The camp was a comprehensive program that included various activities aimed at educating the public about dengue. The activities included educational seminars, distribution of informational materials, and practical demonstrations on how to prevent dengue transmission. The seminars were conducted by healthcare professionals who provided information on the symptoms, causes, and treatment of dengue fever. The informational materials were distributed to the participants to help them understand the importance of dengue prevention. The practical demonstrations showed the participants how to keep their surroundings clean, eliminate mosquito breeding sites, and use mosquito nets.

The camp was successful in reaching a large number of participants from different communities. The feedback received from the participants was overwhelmingly positive, with many expressing gratitude for the opportunity to learn about dengue prevention. The impact of the camp on the community’s knowledge and behavior towards dengue prevention was evident in the increased use of mosquito nets, elimination of mosquito breeding sites, and the increased awareness of dengue symptoms.

In conclusion, the dengue awareness camp was a successful initiative that helped to raise awareness about the deadly disease and its prevention. The community’s positive response to the camp shows that education is key to preventing the spread of dengue fever. It is important to continue such efforts to ensure that the community remains informed and prepared to prevent dengue transmission.

About Mr. Greg

Mr. Greg is an English teacher from Edinburgh, Scotland, currently based in Hong Kong. He has over 5 years teaching experience and recently completed his PGCE at the University of Essex Online. In 2013, he graduated from Edinburgh Napier University with a BEng(Hons) in Computing, with a focus on social media.

Mr. Greg’s English Cloud was created in 2020 during the pandemic, aiming to provide students and parents with resources to help facilitate their learning at home.

Whatsapp: +85259609792

[email protected]

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Dengue is a viral infection caused by the dengue virus (DENV), transmitted to humans through the bite of infected mosquitoes. An estimated 100-400 million infections occur each year. This course provides an introduction to dengue. It provides an overview of the causative organism, vector, transmission, symptoms, diagnosis, treatment, and prevention of the disease.

Photo credits: WHO/TDR/AndyCraggs

Course information

This course is also available in the following languages:

Overview: Dengue is a mosquito borne viral disease that causes an estimated 100-400 million infections each year. This course provides an introduction to dengue. It provides an overview of the epidemiology, transmission, symptoms, diagnosis, treatment, and prevention of the disease.

Course duration: Approximately 30 minutes.

Certificates: A Certificate of Achievement will be available to participants who score at least 80% of the total points available in the final assessment. Participants who receive a Certificate of Achievement can also download an Open Badge for this course. Click here to learn how.

What you'll learn

• Outline the causative organism and vector of dengue
• List the symptoms of dengue
• Describe how dengue can be diagnosed and treated
• Describe preventive measures for dengue.

Course contents

Introduction to dengue:, enroll me for this course, certificate requirements.

• Gain a Record of Achievement by earning at least 80% of the maximum number of points from all graded assignments.

• Essay (Composition)

Dengue Essay Composition: Dengue Fever/Virus

After reading this post, you can write 1. Dengue Essay & Composition 2. Dengue Fever Essay Composition - suitable for the students of class 3, 4, 5, 6, 7, 8, JSC, 9, 10, SSC, 11, 12, HSC.

Essay on Dengue Fever/Virus

Dengue Essay/Composition ; Dengue is an acute infectious disease which is caused by a flavivirus. It is one of the threatening diseases in the world. More than 50-100 million people get infected by dengue fever each year.

From the bitterness of disease, man learns the sweetness of health. -Catalan Proverb. (adsbygoogle = window.adsbygoogle || []).push({});

Read also> AIDS Essay Composition

Dengue fever is a viral fever. It is caused by the dengue virus. The main vector of the dengue virus is Aedes mosquitoes. Female Aedes mosquitoes get infected with dengue when it bites a person infected with the dengue virus in his blood . When these female Aedes mosquitoes, which are a carrier of dengue, bite someone this virus spreads to that person. Blood transfusion and organ donation from an infected person can spread the dengue virus. If a pregnant mother carries this virus, the fetus is at risk of getting infected by it. But the dengue virus can't spread directly from person to person.

Most people who get infected by dengue fever have no symptoms. Symptoms are seen between 3 to 14 days after infected with the virus. This time is the incubation period of the dengue virus. Dengue fever involves severe pain in the bones. This is why it is also known as ‘break-bone fever’. Some symptoms of dengue are high fever, severe headaches, vomiting, pain behind the eyes, severe joint and muscle pain fatigue, nausea, vomiting, skin rash, mild bleeding, etc.

In critical condition, plasma leaks from small vessels can also be seen. In conditions like hemorrhagic fever and shock syndrome, the patient can die if he/she is not gotten any medical treatment. Other complications of dengue fever are a neurological disorder, altered mental status, infection of the heart or sudden liver failure, etc.

An ounce of prevention is worth a pound of cure. -Benjamin Franklin (adsbygoogle = window.adsbygoogle || []).push({});

Also read> Happiness Essay Composition

There is no specific treatment of dengue. But a patient of dengue fever should drink more clean water with salt as dehydration occurs in dengue. Painkillers can relieve pain and fever. As there is no vaccine of dengue virus so the best way to prevent it is self-protection. To prevent dengue virus we should wear clothes that fully cover our skin. Closed-toe shoes are suggested instead of sandals. We can use bug spray. We should use mosquito netting when they are resting. We need to clean empty flower pots, empty water bowls, and dustbins. Using mosquito repellents can be helpful. Try to close the windows and doors from dawn to dusk. And always should sleep under a mosquito net.

Dengue is now one of the most important tropical diseases. While it doesn't kill that many people, it has tremendous economic and social impact. —Duane Gubler (adsbygoogle = window.adsbygoogle || []).push({});

Dengue is a serious disease, so we all should be aware of this. Children and babies need more care. This is our duty to clean our houses and surroundings. And the government should take effective steps to properly dispose of the garbages to slow down the reproduction rate of mosquitoes

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Dengue: Causes and Prevention

Last updated on November 16, 2022 by ClearIAS Team

Dengue is a viral infection transmitted to humans through the bite of infected mosquitoes. India sees a rise in cases of dengue, especially in rainy seasons. It is one of the most rapidly spreading viral tropical diseases. Dengue is found in tropical and sub-tropical climates worldwide, mostly in urban and semi-urban areas. Read here to know the causes, symptoms, and preventive measures for dengue.

Dengue is a mosquito-borne viral disease that has rapidly spread to all tropical regions .

Dengue virus is transmitted by female mosquitoes mainly of the species  Aedes aegypti  and, to a lesser extent,  Ae. albopictus .

Dengue is widespread throughout the tropics, with local variations in risk influenced by climate parameters as well as social and environmental factors.

A recent study published in 2022 projected how the distribution of these mosquitoes will evolve with climate change .

• Currently,  Aedes Aegyptus is prevalent in the southern peninsula, eastern coastline, north-eastern states, and the northern plains.
• Aedes albopictus dominates the eastern and western coastlines, north-eastern states, and the lower Himalayas.
• The study projected the expansion of Aedes aegypti in the hot arid regions of the Thar Desert and Aedes albopictus in the cold upper Himalayas as a result of future climatic changes.

Table of Contents

Historical reference of dengue

In a Chinese medical encyclopedia from the Jin Dynasty published in 992, dengue disease was initially described as “water poison” related to flying insects (265-420 AD).

The Swahili word Ka-dinga pepo, which translates to “cramp-like seizure,” is where the English word “dengue” originates.

In the 1780s, the first dengue outbreaks to be clinically identified occurred practically concurrently in Asia, Africa, and North America.

Because of the symptoms of myalgia and arthralgia, Benjamin Rush, who popularised the term “break-bone fever,” wrote the first clinical case report of the 1780 pandemic in Philadelphia in 1789.

The term dengue fever came into general use only after 1828.

Causes and symptoms of Dengue

Dengue virus belongs to the family Flaviviridae , having four serotypes that are spread by the bite of infected Aedes mosquitoes.

• There are four dengue virus serotypes and it is possible to be infected four times.
• These mosquitoes are also vectors of chikungunya, yellow fever, and Zika viruses.
• The ideal conditions for this species of mosquitos are usually between the latitudes of 35° North and 35° South with an elevation of 1000 meters (3300 ft).
• They usually bite during the early morning and in the evening, though it does not mean that they will specifically bite at these hours.
• A single bite is more than enough to be a cause for infection.
• A female mosquito that bites an infected person with dengue becomes infected during the initial 2-10-day febrile period.
• After 8-10 days, the virus spreads to other tissues including the mosquito’s salivary glands and is subsequently released into its saliva.

It causes a wide spectrum of illnesses from mild asymptomatic illness to severe fatal dengue hemorrhagic fever/dengue shock syndrome.

Severe dengue is a leading cause of serious illness and death in some Asian and Latin American countries. Severe dengue was first recognized in the 1950s during dengue epidemics in the Philippines and Thailand.

There is no specific treatment for dengue/severe dengue. Early detection of disease progression associated with severe dengue, and access to proper medical care lowers fatality rates of severe dengue to below 1%.

Dengue should be suspected when a high fever (40°C/104°F) is accompanied by two of the following symptoms during the febrile phase (2-7 days):

• severe headache
• pain behind the eyes
• muscle and joint pains
• swollen glands

Transmission of the virus

There are several routes of transmission of the dengue virus-

Transmission through the mosquito bite

The virus is transmitted to humans through the bites of infected female mosquitoes, primarily the  Aedes aegypti  mosquito.

• After feeding on a Virus-infected person, the virus replicates in the mosquito midgut, before it disseminates to secondary tissues, including the salivary glands.
• The time it takes from ingesting the virus to actual transmission to a new host is termed the extrinsic incubation period (EIP).
• The EIP takes about 8-12 days when the ambient temperature is between 25-28°C.

Human-to-mosquito transmission

• Mosquitoes can become infected by people who are viraemic with the virus. This can be someone who has a symptomatic dengue infection, someone who is yet to have a symptomatic infection (they are pre-symptomatic), but also people who show no signs of illness as well (they are asymptomatic).
• Human-to-mosquito transmission can occur up to 2 days before someone shows symptoms of the illness, up to 2 days after the fever has resolved.

Maternal transmission

• The primary mode of transmission of Viruses between humans involves mosquito vectors.
• There is evidence, however, of the possibility of maternal transmission (from a pregnant mother to her baby).
• While vertical transmission rates appear low, the risk of vertical transmission is seemingly linked to the timing of the dengue infection during pregnancy.
• When a mother does have a DENV infection when she is pregnant, babies may suffer from pre-term birth, low birth weight, and fetal distress.

Treatment and Vaccination

There is no specific treatment for viral fever. Patients should rest, stay hydrated and seek medical advice.

Supportive care such as fever reducers and painkillers can be taken to control the symptoms of muscle aches and pains, and fever.

The first dengue vaccine, Dengvaxia® (CYD-TDV) developed by Sanofi Pasteur was licensed in December 2015 and has now been approved by regulatory authorities in ~20 countries.

Global burden of dengue

The incidence of dengue has grown dramatically around the world in recent decades. A vast majority of cases are asymptomatic or mild and self-managed, and hence the actual numbers of dengue cases are under-reported. Many cases are also misdiagnosed as other febrile illnesses.

The total number of cases seemingly decreased during the years 2020 and 2021, as well as for reported deaths. However, the data is not yet complete and the COVID-19 pandemic might have also hampered case reporting in several countries.

Before 1970, only 9 countries had experienced severe dengue epidemics.

• The disease is now endemic in more than 100 countries in the regions of Africa, the Americas, the Eastern Mediterranean, South-East Asia, and the Western Pacific.
• The Americas, South-East Asia, and Western Pacific regions are the most seriously affected, with Asia representing ~70% of the global burden of disease.
• Local transmission was reported for the first time in France and Croatia in 2010 and imported cases were detected in three other European countries.

Prevention and Control of Dengue

The proximity of mosquito vector breeding sites to human habitation is a significant risk factor for dengue.

At present, the main method to control or prevent the transmission of the dengue virus is to combat the mosquito vectors. This is achieved through:

• Prevention of mosquito breeding.
• Personal protection from mosquito bites.
• Educating the community on the risks of mosquito-borne diseases.
• Active mosquito and virus surveillance.
• Vector surveillance can be combined with clinical and environmental surveillance

The integration of vector management approaches is encouraged by the WHO to achieve sustainable, effective locally adapted vector control interventions.

The government of India has a National Centre for Vector Borne diseases under the Ministry of Health, which updates guidelines and preventive measures for numerous vector-borne diseases like dengue, chikungunya, and malaria .

-Article written by Swathi Satish

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Dengue: Notes for UPSC Mains GS-III

Dengue fever is a tropical disease that is borne by mosquitoes. It is caused by the dengue virus. Dengue virus (DEN) is a small single-stranded RNA virus comprising four distinct serotypes. The symptoms of the disease will begin anywhere between three and fourteen days after the initial infection. Dengue fever is an important topic for IAS Exam which is featured in UPSC Mains General Studies – III paper.

Dengue Latest Updates – DNA Vaccine for dengue developed

India’s first and only DNA Vaccine candidate for dengue has shown promising results in its preliminary trials. This vaccine is being developed by the National Centre for Biological Sciences, Bangalore. Know more here .

This article is a part of the Science & Technology segment of the UPSC Syllabus .

The candidates can read more about Science & Technology topics from the links provided below:

Introduction

• Dengue is the most rapidly spreading mosquito-borne viral disease in the world.
• According to the data of the World Health Organisation (WHO), an estimated 50 million dengue infections occur annually and approximately 2.5 billion people live in dengue-endemic countries.
• Dengue inflicts significant health, economic and social burden on the populations of endemic areas.
• Dengue afflicts all levels of society, but the burden may be higher among the poorest who grow up in communities with an inadequate water supply and solid waste infrastructure, and where conditions are most favourable for multiplication of the main vector, Aedes aegypti.

What are the Symptoms of Dengue Fever?

The symptoms include:

• Muscle and joint pains

It takes about two to seven days to fully recover. In extreme cases, the disease can develop into severe dengue, known as dengue hemorrhagic fever that causes bleeding, low levels of blood platelets, and blood plasma leakage.

Dengue – UPSC Notes:- Download PDF Here

What Causes Dengue Fever?

• Dengue is spread by several species of female mosquitoes of the Aedes variety, specifically of the Aedes aegypti.
• The ideal conditions for this species of mosquitos are usually between the latitudes of 35° North and 35° South with an elevation of 1000 meters (3300 ft). They usually bite during the early morning and in the evening, though it does not mean that they will specifically bite at these hours.
• Even though humans are the primary host of the virus, non-human primates are also carriers.
• A single bite is more than enough to be a cause for infection.
• A female mosquito that bites a person infected person with dengue becomes infected during the initial 2-10 day febrile period.
• After 8 – 10 days, the virus spreads to other tissues including the mosquitoes salivary glands, and is subsequently released into its saliva. As per the research conducted on this species, the mosquito remains infected.

To know more about Viruses and their types , visit the linked article

The image below explains the life-cycle of dengue fever:

What can be done to prevent the spread of Dengue Fever?

The spread of Dengue fever is largely dependent on the control of and protection from the bites of the mosquito that transmits it. The following five elements are the recommendation for an Integrated Vector Control by the World Health Organisation:

• Advocacy, social mobilization, and legislation to ensure that public health bodies and communities are strengthened
• Collaboration between the health and other sectors (public and private);
• An integrated approach to disease control to maximize the use of resources;
• Evidence-based decision-making to ensure any interventions are targeted appropriately; and
• Capacity-building to ensure an adequate response to the local situation.
• The main method of controlling the breeding of Aedes aegypti is by destroying its habitats and breeding grounds the primary method of controlling Aedes aegypti is by eliminating its habitats. This involves eliminating open sources of water. This is done by getting rid of open sources of water, or by adding insecticides or biological control agents to these areas.
• The removal of open collection of water is far more effective and optimal removal of control as the application of insecticides may have adverse negative health effects on the local population, due to the risk they pose in contaminating local food sources.
• People can prevent mosquito bites by wearing clothing that fully covers the skin, using mosquito netting while resting, and/or the application of insect repellent (DEET being the most effective).
• While these measures can be an effective means of reducing an individual’s risk of exposure, they do little in terms of mitigating the frequency of outbreaks, which appear to be on the rise in some areas, probably due to urbanization increasing the habitat of Aedes aegypti .

Frequently Asked Questions Related to Dengue

How dengue is caused, how many days does it take to recover from dengue, what are the warning signs of dengue.

Warning Signs of dengue are as follows:

• Abdominal pain or tenderness.
• Persistent vomiting.
• Clinical fluid accumulation.
• Mucosal bleed.
• Lethargy or restlessness.
• Liver enlargement > 2 cm.
• A laboratory finding of increasing HCT concurrent with a rapid decrease in platelet count.

Other relevant links:

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Dengue Fever Essay: How to Write It Guide [2024 Update]

Dengue fever is a quite dangerous febrile disease that can even cause death. Nowadays, this disease can be found in the tropics and Africa. Brazil, Singapore, Taiwan, Indonesia, and India are also vulnerable to this disease.

To write an essay on dengue fever, you need to do the following:

• Research the disease to understand what you’re dealing with.
• Find a relevant and appropriate issue to cover.
• Determine the required essay type and change the topic accordingly.
• Outline, write, and proofread your paper.
• Double-check the facts and edit if necessary.
• Make sure your dengue fever essay cannot hurt anyone.

What could the primary purpose of such a paper be? Usually, the goal of writing an essay on dengue fever is to tell about the ways to prevent this disease. Or you can introduce some new methods of treatment. To learn more, read the rest of the article prepared by our expert writers .

🦟 Dengue Fever: Facts You Should

💡 essay on dengue fever: quick hints, 🗃 choosing an essay type, 🤯 brainstorming, 🔎 researching, 🏗️ developing a thesis, 📜 outlining your essay, ✒ writing your essay, 📝 reviewing and editing your essay, 🔗 references.

As you probably know, dengue fever is a potentially lethal disease that can be found in subtropical and tropical regions around the world. It affects 50 million people a year and can cause permanent harm to an infected person.

For more information, see the following facts:

• Dengue fever is transmitted by the Aedes aegypti mosquito, which also spreads such diseases as Chikungunya and yellow fever.
• The Aedes mosquito is most active today, especially around dawn and dusk. However, you should remember that this insect can bite any time of day or night.
• The first registered epidemic of dengue fever happened in 1779-1780 across Asia, Africa, and North America.
• A global pandemic of dengue fever began in Southeast Asia after World War II.
• Most dengue cases occur in urban areas.
• Infected mosquitoes pass on the virus for the rest of their lives.
• Only female mosquitoes are carriers of dengue fever.
• There are four different strains of the virus that causes dengue fever.
• There is no specific treatment for dengue fever.
• Patients who have dengue fever should never take aspirin because it can intensify the bleeding. Instead, they should take paracetamol to relieve pain.
• Between 2015 and 2016, the first dengue vaccine was licensed in several countries.
• In most cases, dengue fever symptoms include muscle pain, skin rash, fever, loss of appetite, nausea, vomiting, swollen glands, and blood vessels’ disintegration, leading to heavy bleeding.

Keep these facts in mind as you compose your essay on dengue fever. You may incorporate them in your writing or at least avoid mistakes.

After the facts and tips above, you may still be wondering about dengue essay writing. The issue is broad and multifaceted, having affected numerous people. Besides, you may be unfamiliar with the regions where it can be found.

Here are some hints on writing a dengue essay:

• Essays on dengue fever may describe the symptoms of the disease first of all. It is an infectious disease, and many people confuse it with malaria . Thus, you should present the symptoms in your writing. They are a severe headache, pain in the muscles and joints, and a rash that can be described as small red spots. Some patients experience gastritis, diarrhea, vomiting, and abdominal pain.
• You can note that the diagnosis of the disease is made clinically in most cases. Thus, if a person has the above-described symptoms, he/she must go to the hospital immediately.
• Tell about the methods of treatment in your dengue fever essay. The procedure is mostly based on supportive therapy. In cases when a patient is suspected of having melena, which is a sign of inner gastrointestinal bleeding , platelet transfusion may be necessary.
• Your dengue essay can define the methods of disease prevention. Nowadays, the most reliable way is to control the mosquitoes that transmit the disease. Scientists are also trying to invent a vaccine against dengue fever, but now the research is only in the experimental stage.

So, these are the central arguments that a student can introduce in essays on dengue. You use them all or develop your approach. Just cover the essentials and remain unbiased like in an example below:

✍️ How to Write a Dengue Fever Essay

Learning to write good essays takes time and experience. If you need to nail your writing, you should go through several steps.

For an excellent dengue essay writing process, you should:

• Decide what kind of essay you will write.
• Brainstorm your essay topic.
• Do thorough research.
• Develop a strong thesis.
• Outline your essay.
• Write your essay.
• Proofread and edit.

Let’s break each of these steps down.

Your first step in writing a dengue fever essay is to decide what kind of essay to write. There are five major types of essays:

• Narrative essays : Tell a story or impart information in an orderly manner.
• Descriptive essays : Focus on describing the details of what is going on.
• Persuasive essays: Convince your reader of some point of view.
• Comparative essays: Compare two or more things.
• Expository essays: Explain to your reader how to do some process.

Once you have decided what kind of essay you are going to write, you can do the rest.

It’s a simple fact. You cannot write your essay unless you have a good idea of what to write about. During the brainstorming phase, think of as many ideas as possible, writing down anything that comes to mind. After you have a long list of ideas, choose the best or most interesting one.

Dengue Fever Essay Topics

• Ways of dealing with dengue disorder in the Middle East.
• Is dengue fever a lethal disease?
• Viruses that cause dengue fever.
• Explore the influence of dengue outbreaks on the healthcare system in India .
• A danger of dengue fever.
• Describe the effective ways of mosquito control for dengue fever disease prevention .
• What causes a dengue fever
• Is the dengue fever transmitted by mosquitos?
• Hospitalization with dengue fever symptoms.
• Dengue fever: definition and brief description of the disorder.
• Are the symptoms of dengue fever and malaria alike?
• Ways to prevent dengue fever.
• Is vaccination a panacea from dengue fever?
• Analyze the importance of supportive therapy to recover from dengue fever.
• The history of dengue fever.
• The regions of dengue fever spread.
• A pandemic of dengue fever in South Eastern Asia.
• Discuss the necessity of dengue fever virus studies.
• Examine the strains of the virus that can cause dengue fever.
• How do you get the immunity to the dengue fever virus?
• How to treat the skin rash during dengue fever.
• The threat of taking aspirin during dengue fever.
• Does the dengue vaccine exist?
• Why dengue fever is the global health issue?
• What medicines to take to manage pain during dengue fever.
• The first symptoms of the dengue fever.
• How can mosquito control help to fight dengue fever epidemy?
• Analyze the reasons for the growth of the global incidents of dengue fever.
• Ways to speed up the recovery from dengue fever.
• The peculiarities of dengue fever treatment.
• Describe the reasons of high dengue fever rates in Latin America.
• Long term outcomes of dengue fever.
• Discuss the connection between overpopulation of urban areas and increased risk of dengue fever outbreaks.
• Blood vessels disintegration and heavy bleeding during dengue fever.
• Ways of dengue fever virus transmission.
• Examine laboratory diagnosis methods that can confirm dengue virus.
• Timely access to healthcare is the best way to avoid dengue fever sequela.
• Personal hygiene rules for dengue fever patients.
• What food should a dengue fever patient eat to precipitate recovery?
• The difference in symptoms of dengue fever and dengue hemorrhagic fever.
• Analyze the importance of hydration for fast recovery from dengue fever.
• Severe headache as the first symptom of dengue fever.
• Is acute abdominal pain an obligatory symptom of dengue fever?
• An incubation period and phases of dengue fever.
• How to protect children from dengue fever.
• How long does it take to recover from dengue fever?
• Why is it prohibited to take anti-inflammatory medicines during dengue fever?
• Describe and analyze the first outbreak of dengue fever.
• How charity organizations help manage the financial burden of dengue fever.
• Is it necessary to go to a hospital if you have dengue fever?

Doing research is an essential step if you want to write an original essay on dengue fever. Go to the library or find the necessary information on the Internet . Look for reputable sources not to misguide yourself and your readers.

Make sure to take notes of the quotes and sources while researching. You’ll have to use them to add credibility to your writing.

The thesis statement is the central idea of your essay. It should clearly outline the point that you hope to express in your essay. Include your thesis at the end of your introductory paragraph.

Writing an outline can help ensure that your essay is logical and well organized. You should start by writing the thesis at the top and then writing a topic sentence for each paragraph. You can add concluding sentences as well.

Fill in facts and quotes from your research under every part. Feel free to move supporting facts around and change your outline until you have a clear organization.

Start writing the outline first, including it in your essay, if possible. Then add an introduction where you use attention-grabber to hook your reader. State your thesis that you’ve composed before.

Developing your body paragraphs should go next. By giving precise arguments, detailed information, and examples, you ensure the success of your essay. Write a conclusion to reinforce your thesis and leave a final impression.

Read your essay on dengue fever again to see if it makes sense. Revise it for clarity, consistency, and structure. Make sure everything you have written flows together.

During this stage, revise your essay for technical errors. Check your grammar, punctuation, and spelling. Besides, you should provide a reference list at the bottom of your dengue essay. Mention every source that you’ve used for your argumentation.

Congratulations!

By following these easy steps, you have just written an excellent essay. Use these tips to write a great essay about dengue fever that will impress your readers. Undoubtedly, if you work hard, you will succeed in essay writing and get the good grades you deserve.

Thanks for reading the article! Share the page with your peers, who may find it useful.

You might also be interested in:

• How to Write an Expository Essay in Simple Steps
• Nursing Reflective Essay Example and Guidelines for Students
• Objective Essay Writing: How to Write, Topics and Examples
• French Essay Writing: How-to Guide and Examples
• Dengue and severe dengue: World Health Organization
• Everything You Need to Know about Dengue Fever: Medical News Today
• Dengue: A Growing Menace (International Journal of Biometrical Science)
• Avoid Dengue by Preventing Mosquito Bites: cdc.gov
• Dengue fever – including symptoms, treatment and prevention: SA Health
• How the World’s First Dengue Vaccination Drive Ended in Disaster: Scientific American
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Thanks ,this article is very informative for me.

Contemporary issue for dengue

Now THAT’S WHAT I NEED! Thank you so much!

Wow, excellent post!!! Thanks to you, I’ve learned a lot about this epidemic.

I’m a little bit confused with the usage of grammar. In the essay, sometimes I’ll use the past and sometimes present. Please help me to write an excellent essay. P\S: sorry for broken English.

Dengue fever is a quite dangerous febrile disease that can even cause death. Nowadays, this disease can be found in the tropics and Africa. Do not think that it is only thick forests where dengue fever can be found. The urban areas of many developed countries like…

Yes, thank you for your additional comment, Amir:) Too bad that you didn’t finish your comment. Do you have anything else to say about Dengue fever?

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Dengue virus: A global human threat: Review of literature

Shamimul hasan.

Department of Oral Medicine and Radiology, Jamia Millia Islamia, New Delhi, India

Sami Faisal Jamdar

1 Department of Oral and Maxillofacial Surgery, Teerthankar Mahaveer Dental College, Teerthanker Mahaveer University, Moradabad, Uttar Pradesh, India

Munther Alalowi

2 Buraydah College of Dentistry and Pharmacy, Al Qassim, Saudi Arabia

Sadun Mohammad Al Ageel Al Beaiji

3 Department of Conservative Dentistry and Endodontics, Specialist Dental Center, Hafer Al Batin, Saudia Arabia

Dengue is an acute viral illness caused by RNA virus of the family Flaviviridae and spread by Aedes mosquitoes. Presenting features may range from asymptomatic fever to dreaded complications such as hemorrhagic fever and shock. A cute-onset high fever, muscle and joint pain, myalgia, cutaneous rash, hemorrhagic episodes, and circulatory shock are the commonly seen symptoms. Oral manifestations are rare in dengue infection; however, some cases may have oral features as the only presenting manifestation. Early and accurate diagnosis is critical to reduce mortality. Although dengue virus infections are usually self-limiting, dengue infection has come up as a public health challenge in the tropical and subtropical nations. This article provide a detailed overview on dengue virus infections, varied clinical manifestations, diagnosis, differential diagnosis, and prevention and treatment.

INTRODUCTION

The dengue virus, a member of the genus Flavivirus of the family Flaviviridae, is an arthropode-borne virus that includes four different serotypes (DEN-1, DEN-2, DEN-3, and DEN-4).[ 1 , 2 ] The World Health Organization (WHO) consider dengue as a major global public health challenge in the tropic and subtropic nations. Dengue has seen a 30-fold upsurge worldwide between 1960 and 2010, due to increased population growth rate, global warming, unplanned urbanization, inefficient mosquito control, frequent air travel, and lack of health care facilities.[ 3 , 4 , 5 ] Two and a half billion people reside in dengue-endemic regions[ 5 ] and roughly 400 million infections occuring per year, with a mortality rate surpassing 5–20% in some areas.[ 6 ] Dengue infection affects more than 100 countries, including Europe and the United States (USA).[ 7 ] The first reported case of dengue like illness in india was in Madras in 1780, the first virologically proved epidemic of DF in India occurred in Calcutta and Eastern Coast of India in 1963-1964.[ 8 ] Dengue virus infection presents with a diverse clinical picture that ranges from asymptomatic illness to DF to the severe illness of dengue hemorrhagic fever/dengue shock syndrome (DHF/DSS).[ 4 ] Oral mucosal involvement is seen in approximately 30% of patients, although oral features are more frequently associated with DHF than with DF.[ 9 ] Dengue virus infection exhibit varied clinical presentation, hence, accurate diagnosis is difficult and relies on laboratory confirmation. The condition is usually self-limiting and antiviral therapy is not currently available. Supportive care with analgesics, hydration with fluid replacement, and sufficient bed rest forms the preferred management strategy.

ETIOPATHOGENESIS

DF is a severe flu-like infection that involves individuals of all age groups (infants, children, adolescents, and adults).[ 9 ] Transmission among human beings occurs by the mosquito Aedes aegypti and chiefly occurs during the rainy season.[ 10 ] The proposed etiologies for dengue virus infection are:

• Viral replication, primarily in macrophages[ 11 ]
• Direct skin infection by the virus[ 12 ]
• Immunological and chemical-mediated mechanism induced by host–viral interaction.[ 12 ]

Dengue virus gains entry into the host organism through the skin following an infected mosquito bite. Humoral, cellular, and innate host immune responses are implicated in the progression of the illness and the more severe clinical signs occur following the rapid clearance of the virus from the host organism. Hence, the most severe clinical presentation during the infection course does not correlate with a high viral load.[ 13 ] Alterations in endothelial microvascular permeability and thromboregulatory mechanisms lead to an increased loss of protein and plasma. Proposed theories suggest that endothelial cell activation caused by monocytes, T-cells, the complement system, and various inflammatory molecules mediate plasma leakage. Thrombocytopenia may be related to alterations in megakaryocytopoiesis, manifested by infection of human hematopoietic cells and compromised progenitor cell growth. This may cause platelet dysfunction, damage, or depletion, leading to significant hemorrhages.[ 14 , 15 ]

Figure 1 depicts a diagramatic representation of the pathogenesis of dengue.

Pathogenesis of dengue virus infection

CLASSIFICATION

The WHO classifies DF into two groups: Uncomplicated and severe.[ 16 , 17 ] Severe cases are linked to excessive hemorrhage, organ impairement, or severe plasma escape, and the remaining cases are considered uncomplicated.[ 17 ]

According to the 1997 classification, dengue can be divided into undifferentiated fever, DF, and DHF.[ 18 ] DHF was further subdivided into grades I–IV.

Grade I: Only mild bruising or a positive tourniquet test

Grade II: Spontaneous bleeding into the skin and elsewhere

Grade III: Clinical sign of shock

Grade IV: Severe shock - feeble pulse, and blood pressure cannot be recorded.[ 19 ]

Here, grades III and IV comprise DSS.[ 17 ]

CLINICAL MANIFESTATIONS

Undifferentiated fever.

This stage is seen mostly in the primary infection but may also occur following the initial secondary infection. Clinically, it is difficult to differentiate from numerous other viral diseases and often remains undiagnosed.

Dengue fever

DF follows both primary and secondary infections, and is most frequently encountered in adults and older children. Onset of symptoms is characterized by a biphasic, high-grade fever lasting for 3 days to 1 week.[ 20 , 21 ] Severe headache (mainly retrobulbar), lassitude, myalgia and painful joint, metallic taste, apetite loss, diarrhea, vomiting, and stomachache are the other reported manifestations. Dengue is also known as breakbone fever because of the associated myalgia and pain in joints.[ 16 , 22 ] Of patients with DF, 50–82% report with a peculiar cutaneous rash.[ 23 , 24 ] The initial rash is the result of capillary dilatation, and presents as a transient facial flushing erythema, typically occuring before or during the first 1–2 days of fever. The second rash is seen at 3 days to 1 week following the fever, and presents as a asymptomatic maculopapular or morbilliform eruption. Sometimes, individual lesions may merge and present as widespread confluent erythematous areas with pinpoint bleeding spots and rounded islands of sparing, giving a typical appearance of “white islands in a sea of red.”[ 23 , 25 ] The cutaneous rash is usually asymptomatic, and pruritis is reported only in 16-27% cases.[ 9 , 26 ] Bleeding episodes are infrequently seen in DF, although epistaxis and gingival bleeding, substantial menstruation, petechiae/purpura, and gastrointestinal tract (GIT) hemorrhage can occur.[ 20 , 27 ]

Dengue hemorrhagic fever

DHF is frequently seen during a secondary dengue infection. However, in infants it may also occur durring a primary infection due to maternally attained dengue antibodies.[ 28 ] The proposed diagnostic criteria for DHF includes:[ 29 ]

• a. Clinical parameters: Acute-onset febrile phase – high-grade fever lasting from 2 days to 1 week. Hemorrhagic episodes (at least one of the following forms): Petechiae, purpura, ecchymosis, epistaxis, gingival and mucosal bleeding, GIT or injection site, hematemesis and/or malena

Positive tourniquet and hepatomegaly.

• b. Laboratory parameters: Thrombocytopenia (platelet count <100,000/cu mm)

The hemorrhagic episodes in DHF are associated with multifactorial pathogenesis. Vasculopathy, deficiency and dysfunction of platelets and defects in the blood coagulation pathways are the attributed factors.[ 30 ] Decreased production of platelets[ 31 , 32 ] and increased destruction of platelets may result in thrombocytopenia in DHF.[ 33 ] The impaired platelet function causes the blood vessels to become fragile and this results in hemorrhage.[ 34 ]

The clinical course of DHF is characterized by three phases: Febrile, leakage, and convalescent phase. High-grade fever of acute onset along with constitutional signs and facial erythema characterizes the commencement of the febrile illness.[ 21 ] The initial febrile illness is marked by a morbilliform rash and hemorrhagic tendencies.[ 35 ] The fever persists for 2 days to 1 week and then drops to normal or subnormal levels when the patient either convalesces or advances to the plasma leakage phase.[ 36 ] High plasma escape cases are marked by frank shock with low pulse pressure, cyanosis, hepatomegaly, pleural and pericardial effusions, and ascites. Severe ecchymosis and gastrointestinal bleeding followed by epistaxis may also be noted in a few cases. Bradycardia, confluent petechial rashes, erythema, and pallor are seen during this phase.

Dengue shock syndrome

DSS is defined as DHF accompanied by a unstable pulse, narrow pulse pressure (<20 mmHg), restlessness, cold, clammy skin, and circumoral cyanosis. Progressively worsening shock, multiorgan damage, and disseminated intravascular coagulation account for a high mortality rate associated with DSS. The shock persists for a short span of time and the patient promptly recovers with supportive therapy.[ 37 , 38 ]

OROFACIAL FEATURES

Oral features are infrequently seen in dengue virus infection and are more commonly associated with DHF. Erythema, crusting of lips, and ntongue and soft palatal vesicles constitute the prominent oral features in dengue virus infection. Chadwick et al .[ 26 ] reported higher cases involving the mucosa with scleral injection (90%), whereas Sanford noticed vesicular eruptions of the soft palate (>50%).[ 39 ] Byatnal et al ., reported numerous hemorrhagic bullae on the sublingual mucous membrane, lateral surface of the tongue, and floor of the mouth. Brown-colored plaquelike lesions with a rough surface were seen on the buccal mucosa that showed bleeding on touch along with spontaneous bleeding from the gingiva and the tongue. Petechiae, purpura, ecchymoses, and nasal bleeding have also been reported.[ 40 ] Mitra et al . reported bleeding gums, hemorrhagic plaques, and inflamed tonsils in a dengue-infected patient.[ 41 ] Isolated hypoglossal nerve palsy following dengue infection is a rare occurence.[ 42 ] Taste alteration, conjunctival redness, and lymphadenopathy may also be reported in DF.[ 3 ] Table 1 depicts the reported orofacial features of dengue.

Summary of reported orofacial features in dengue[ 4 ]

Cautious attention should be directed at DF if a patient suffers from high fever within 2 weeks of being in the tropics or subtropics.[ 43 ] A decreased number of white blood cells (leukopenia), accompanied by a decreased number of platelet count (thrombocytopenia) and metabolic acidosis are the initial changes on laboratory examinations. Microbiological laboratory testing confirms the diagnosis of DF. Virus segregation in cell cultures, nucleic acid demonstration by polymerase chain reaction (PCR), and serological detection of viral antigens (such as NS1) or particular antibodies are the preferred microbiological assays.[ 5 ] Viral segregation and nucleic acid demonstration provide precise diagnosis, although the high cost limits the availability of these tests.

DIFFERENTIAL DIAGNOSIS

Broad differential diagnosis is considered in a patient presenting with fever and a rash similar to that seen in DF. Tables ​ Tables2 2 and ​ and3 3 present the varied clinical conditions that mimic the febrile and critical phase of dengue infection.

Conditions that mimic the febrile phase of dengue infection[ 4 ]

Conditions that mimic the critical phase of dengue infection[ 4 ]

MANAGEMENT OF DENGUE INFECTION

Fluid replacement and antipyretic therapy with paracetamol is the preferred therapy following the febrile phase. Care should be taken not to use other nonsteroidal antiinflammatory drugs.

Judicious fluid administration forms the mainstay of treatment during the critical phase of the infection. Normal saline, Ringer's Lactate, and 5% glucose diluted 1:2 or 1:1 in normal saline, plasma, plasma substitutes, or 5% albumin are the routinely administered fluids.

WHO guidelines summarize the following principles of fluid therapy:[ 44 ]

• Oral fluid supplementation must be as plentiful as possible. However, intravenous fluid administration is mandatory in cases of shock, severe vomiting, and prostration (cases where the patient is unable to take fluids orally)
• Crystalloids form the first-line choice of intravenous fluid (0.9% saline)
• Hypotensive states that are unresponsive to boluses of intravenous crystalloids, colloids (e.g., dextran) form the second-line measures
• If the patient remains in the critical phase with low platelet counts, there should be a serious concern for bleeding. Suspected cases of bleeding are best managed by transfusion of fresh whole blood.

DENTAL MANAGEMENT

Oral lesions are infrequently seen and are often misguided as platelet defects.[ 25 ] Significant hemorrhagic manifestations need platelet transfusions. In general, there is no need to give prophylactic platelets even at <20,000/cu mm. Prophylactic platelets may be given at a level of <10,000/cu mm in absence of bleeding manifestations. In case of systemic massive bleeding, platelet transfusion may be needed along with red cell transfusion. Liver functions should be monitored.

ADVANCED RESEARCHES

Control of mosquito (vector) transmission, development of dengue vaccine, and antiviral drugs constitute future directions with an aim to prevent and treat dengue infection.

Control of mosquito (vector) transmission can be done by keeping guppies ( Poecilia reticulata ) or copepods ( doridicola agilis ) in standing water, and infecting the mosquito population with bacteria of the Wolbachia genus.[ 43 ]

Due to the progressing transmission and enhancing severity of dengue infection, the necessity to develop a dengue vaccine has gained considerable importance. There is a worldwide public health need for a safe, effective, and economic tetravalent dengue vaccine. Complex pathology, the prerequisite to control four virus serotypes, and inadequate investment by vaccine designers have hindered vaccine advancement.[ 45 ]

Scrupulous attempts are aimed to develop antiviral drugs that can be used to manage DF and avoid the life-threatening episodes.[ 46 , 47 ]

Dengue has evolved as a global life-threatening public health concern, affecting around 2.5 billion individuals in more than 100 countries. The physician should be aware about the varied clinical manifestations of this condition and ensure an early and adequate treatment plan. Future directions to combat this dreadful disease aim at methods of mosquito control, development of vaccine, and antiviral drug regimen.

Financial support and sponsorship

Conflicts of interest.

There are no conflicts of interest.

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Dengue Fever Paragraph 200 Words for Class 5/6/7/8

Dengue fever paragraph 200 words , for class 5-8, dengue fever paragraph for class 5-8.

Dengue fever has been specially identified in recent years. This is an infectious and incurable disease. Its virus is carried by a sort of mosquito. its name is Aedes. This sort of mosquito is found in water, in the flower vase, in the rubbish, or in the kitchen, where water can amass. There are two types of dengue fever-one is normal and the other is very dangerous. The second one leads the affected person to death. The effects of this fever are very dangerous. 

The second one leads the affected person to death. The effects of this fever are very dangerous. It can cause death to one within seven days. If one s attacked with the fever one can surely die. Any proper medical treatment has not yet been invented to protect people from this disease. If people keep their environment safe and clean. Aedes can’t grow here and there. If there don’t grow, there will be no fear of attacking dengue fever. Cleanliness is the precondition to saving ourselves from the attack of dengue fever.

Dengue Fever Paragraph 200 Words for Class 10, SSC, and HSC

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Dengue Fever essay for class 4, class 5

  Dengue Fever (ডেঙ্গু জ্বর) Introduction: Dengue fever is a viral fever. This virus is transmitted through mosquito bites. Aedes mosquit...

  Dengue Fever (ডেঙ্গু জ্বর)

Introduction: Dengue fever is a viral fever. This virus is transmitted through mosquito bites. Aedes mosquitoes are mainly responsible for this disease.

ভূমিকাঃ ডেঙ্গু জ্বর হচ্ছে ভাইরাস বাহিত জ্বর। এই ভাইরাস মশার কামড়ের মাধ্যমে সংক্রমিত হয়। এই রোগের জন্য এডিস মশাই প্রধানত দায়ী।

Symptoms: The symptoms are high fever, severe headache, vomiting, muscle and joint pain, skin rash, etc. In a few cases, this disease may turn severe and may cause death.

লক্ষণঃ লক্ষণসমূহ হলো প্রচন্ড জ্বর, তীব্র মাথাব্যথা, বমি হওয়া, পেশী ও গিটে ব্যথা, চামড়ায় লাল লাল ফুসকুড়ি ইত্যাদি। কিছু ক্ষেত্রে এই রোগ মারাত্মক হয় এবং মৃত্যুও ঘটাতে পারে।

Treatment: Doctors suggest paracetamol for fever and pain. Taking a rest and drinking a lot of liquid is also important.

চিকিৎসাঃ চিকিৎসকগণ জ্বর ও ব্যথার জন্য প্যারাসিটামল সেবনের পরামর্শ দেন। বিশ্রাম নেওয়া এবং প্রচুর তরল পান করাও গুরুত্বপূর্ণ।

Prevention: Aedes mosquitoes generally lay eggs on clean and standing water. So we should throw away standing water from bowls, pots, flower vases, etc. We also can use mosquito spray around our house.

প্রতিরোধঃ এডিস মশা সাধারণত পরিষ্কার ও বদ্ধ পানিতে ডিম পাড়ে। কাজেই আমাদের উচিৎ বাটি, পট, ফুলদানি ইত্যাদি থেকে জমানো পানি ফেলে দেওয়া। আমরা আমাদের বাড়ির চারিপার্শ্বে মশার স্প্রে ছিটাতে পারি।

Conclusion: Above all, we have to keep our surrounding neat and clean.

উপসংহারঃ তাছাড়া, আমাদেরকে চারপাশের পরিবেশ পরিষ্কার পরিচ্ছন্ন রাখতে হবে।

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Essay, Paragraph or Speech on “Dengue And Chikungunya” Complete Essay, Speech for Class 10, Class 12 and Graduation and other classes.

Dengue And Chikungunya (Deadly Mosquito Borne Diseases)

Dengue—Dengue is a viral infection that leads to fever and in some cases bleeding. When a person starts bleeding he is said to suffer from dengue haemorrhagic fever (DHF). The infection is caused by four different but related strains of dengue virus. Hence a person can contact dengue more than once as infection by one strain of virus gives no immunity against infection from another strain. Dengue fever is spread by Aedes Egypti mosquito. The infection cannot spread from person to person. It is spread through the bite of an infected mosquito. The mosquito becomes infected when it bites a human being suffering from dengue. The mosquito can easily be identified by its peculiar white spotted body and legs. It is a highly domestic mosquito that breeds in clean water and has a flight range of only 100-200 meters. It mostly rests indoors though it is also found in any cool shaded places inside or outside the house. The female mosquito lays eggs in water containers around homes and other dwellings and the eggs develop into adults in about 10 days.

Prevalence of Dengue —World Health Organisation (WHO) states that over 100 countries are endemic for dengue, especially DHF.

According to estimates over 4 million infection with about 4000,000 cases of DHF are reported annually. According to WHO estimates for 2002, eight countries in South Asia, including India, Bangladesh, Bhutan. Myanmar and Nepal accounted for 9000 deaths from dengue. Globally only 1900 of the 67 million odd deaths were due to dengue. Clearly dengue is a relatively minor killer.

Symptoms of Dengue —Sudden onset of high fever is one of the first symptoms of dengue. The fever can be as high as 103-105 degree Fahrenheit. It is accompanied by severe headache (mostly in forehead) pain behind eyes, body aches and pain, rash on the skin, nausea and vomiting. The fever usually lasts for five to seven days. A patient needs not necessarily have all these symptoms. The first symptoms occur after 5-7 days after an infected bite. The symptoms that distinguish dengue from other fevers are pain behind the eyes, severe muscle and joint pain and skin rashes. It is the severe joint pain in dengue that gives it the name breakbone fever.

Treatment of Dengue -As with most viral infections there is no specific cure for dengue. Antibiotics are useless in curing this disease. Paracetamol can be taken to bring the fever down. In most cases, the patient can be treated at home.

The patient needs rest. Besides, lots of fluids in take is crucial because in case the fever progresses to become Dengue Haemorrhagic Fever (DHF) or even dengue shock Syndrome (DSS), loss of body fluid or blood is the most salient feature. Medicines like aspirin and brufin should be avoided as they could increase the risk of bleeding.

Killer Dengue —Dengue fever can damage blood vessels. This damage can lead to leaking of blood or plasma into organs or even complete breakage of blood vessels. As long as it is just dengue there is no risk of death but if it progresses to become DHF or DSS it can lead to death. But good quality treatment at the right time can save even patients from DHF or DSS i.e. (Dengue Haemorrhagic Fever or Dengue Shock Syndrome).

Usually the fever becomes DHF or DSS after 3-5 days. At this time, often the fever would have come down misleading people into believing that they are on their way to recovery. In fact, this is the most dangerous stage when the patient has to be alert to any symptom like severe abdomen pain, persistent vomiting, bleeding in the skin and appearing of small red or purplish spots and passage of black stools. The most dangerous DSS (Dengue Shock Syndrome) is that which is characterised by excessive thirst, pale and cold skin (due to low blood pressure) restlessness and a feeling of weakness.

It is possible that a person infect dengue more than once. Dengue can occurs due to four different related strains of dengue virus. If a person has suffered from one virus, there can be a repeat occurrence of the dengue if a different strain is involved subsequently.

Prevention of Dengue —Preventing the breeding of mosquito is the main strategy for dengue prevention. Community action is the key as all the people in a locality should be involved in keeping dry the place of any breeding site.

Since these mosquito breed in stored, exposed water so destroy containers in which water collects such as tyres, water coolers, flower pots etc. If collected water cannot be removed or drained use insecticides to prevent the mosquito larvae from developing into adults. Try as much as possible to avoid getting bitten by mosquitoes by wearing long sleeved clothes. Use mosquitoes nets or repellents.

Aedes Egypti Mosquito Agent of Dengue And Chikungunya

After biting an infected person and taking the virus from the infected person, the mosquito needs 7 to 8 days to start infecting others. This is called extrinsic incubation period of virus.

Once a virus enters the mosquito, the vector is capable of causing fresh infections throughout its life span.

The average life span of Aedes Egypti Mosquito is two weeks but some of them have been known to survive upto four weeks.

Once the virus enters the human body, it has an incubation period of about 3 to 10 days.

Aedes Egypti mosquito has generally been found to remain within a radius of 500 metres from its place of breeding. But with improved means of transportation cars and even aeroplanes have emerged as handy mosquito carriers.

Aedes Egypti Mosquito is known to be among the most dangerous of mosquitoes. It sucks blood as its food four times a day.

There is transovarion transmission of dengue virus in Aedes Egypti which means that if an egg is infected, the larvae will harbour the virus from birth. The female mosquito lays her eggs in water containers in and around the home. The larvae known as wigglers hatched from the mosquito eggs, and live in the water for about a week; they then change into a round shape after which the adult mosquito emerges and is ready to bite. The places where this mosquito is bred are barrels, drums, jars, pots, buckets, flower vases, plant saucers lanks, cisterns, tins, tyres and pans and some other places where rain is stored and collected. Chikungunya-Chikungunya is a viral disease transmitted to people through the bite of mosquito infected with the Chikungunya virus. The virus was first isolated from the blood of a febrile patient in Tanzania in 1953 and has since then occurred in Africa and parts of Asia. Symptoms of Chikungunya-Patients suffer from headache fever fatigue, nausea, vomiting, muscle pain, rashes and joint pains. Acute infection lasts for a few days to a couple of weeks, with joint pain and fatigue lasting for several weeks in some patients. Infection without fever is called silent Chikungunya and that does not require treatment. Spread of Chikungunya Virus-Like malaria, Chikungunya spreads through the bite of infected Aedes Egypti mosquito which are commonly found all over India.

Treatment of Chikungunya Virus-There is no vaccine or antiviral treatment for treatment of Chikungunya. Paracetamol and Ibuprofen are prescribed to relieve the patient of fever and aches. Aspirin should be avoided.

Prevention of Chikunguny a-Since there is no vaccine or preventive drug, avoiding mosquito bite is the only solution. Always use mosquito net, wear long sleeved clothes and also use mosquito repellent. Keep the mesh screens on throughout the day and don’t let water stagnate. Once infected, the patient gets life long immunity.

Similarities between Dengue and Chikungunya-Both dengue and chikungunya are viral diseases the former is caused by flavi virus and later by toga virus.

In case of both diseases the vector is caused by Aedes Egypti mosquito. Aedes mosquito is a voracious mosquito. It sucks blood as its meal four times a day. Thus it can infect twenty eight people in a week.

Both diseases are associated with high fever, rashes, body ache and nausea.

Both give positive serological tests only after three to four days to infection. Both diseases cause reduction of platelets in the blood but the mortality rate of Chikungunya is far lower than Dengue. It is said that dengue kills but Chikungunya cripples.

Differences between the symptoms of Dengue and Chikungunya —In dengue there is fever with severe headache, muscle and joint pains and rashes. In dengue rashes are characteristically bright red and usually appear first on lower limbs and chest. But in some cases, these rashes spread to the most of the body. In case of Chikungunya the rashes are usually on limbs and trunk. There is a arthritis affecting multiple joints in case of Chikungunya. Besides there is headache, conjunctival infection and photophobia. In dengue fever lasts about 6-7 days, but in chikungunya fever lasts for two days, besides other symptoms which include intense headache, joint pain, insomnia and extreme degree of prostration lasting about 5-7 days.

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• Signs and Symptoms
• How It Spreads
• Areas with Risk
• Dengue in the United States
• Dengue Print Resources
• Dengue Vaccine
• Clinical Features
• Clinical Testing and Diagnosis
• Dengue Clinical Care
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Clinical Testing Guidance for Dengue

• Clinicians should consider dengue in patients with fever, who live in or recently traveled to areas with risk of dengue. In addition to fever, common dengue symptoms include severe headache, retro-orbital pain, myalgia and arthralgia, macular or maculopapular rash.
• For acute dengue diagnosis, clinicians should order NS1 and IgM tests or NAAT and IgM tests.
• If dengue is suspected, clinicians should provide appropriate management without waiting for diagnostic test results.

To determine if recent illness is due to infection with dengue virus, healthcare providers should review:

• patient’s medical history,
• patient's place of residence or recent travel history,
• CDC travel notices regarding disease outbreaks,
• and vaccination records (especially for dengue, yellow fever, and Japanese encephalitis vaccinations).

Acute phase: initial 0-7 days after symptom onset

• A nucleic acid amplification test (NAAT) (e.g., RT-PCR) and an IgM antibody test OR
• A NS1 antigen test and an IgM detection test
• A serum sample is preferred for dengue testing.
• Dengue virus RNA can be detected with NAAT in blood, serum, and plasma. Most of these tests identify the infecting dengue virus serotype. A positive NAAT test does not require further confirmatory testing.
• The presence of the dengue virus non-structural protein 1 (NS1) in blood (serum) during the first 7 days of illness is indicative of a current or recent dengue virus infection. Indications for use of commercial NS1 tests, and interpretation of positive NS1 test results may vary.
• A negative result from a RT-PCR or NS1 test does not rule out infection.
• A positive result by RT-PCR or NS1 meets the confirmatory laboratory criteria for diagnosis in the National Notifiable Diseases Surveillance System (NNDSS) dengue case definition.

Convalescent Phase: >7 days post symptom onset

• When the acute (0-7 days) sample is negative in the recommended test combinations or is not available, a convalescent serum sample can be collected and tested.
• IgM ELISA is recommended as the primary test after day 7 of symptom onset.
• Some patients may be positive on NAAT or NS1 antigen tests after day 7 of illness.
• IgM antibodies can be reliably detected by an IgM antibody test for 3 months or longer after infection.

Interpreting test results

• Patients with a positive NAAT (E.g., RT-PCR) or NS1 test have a confirmed acute dengue virus infection.
• Patients who have IgM antibodies against dengue virus in a single sample are classified as having a presumptive, recent dengue virus infection.
• Patients with a change from negative to positive IgM results in paired samples (first sample collected during the first 7 days of illness, and second sample collected after symptoms subside) are classified as current dengue infections.

IgG testing

• Serologic testing by IgG in a single specimen is not recommended for diagnosis of acute dengue in patients, as these tests may detect antibodies from dengue infections or other flavivirus infections that occurred in the past
• Patients with a change from negative to positive IgG results in paired samples (first sample collected during the first 7 days of illness, and second sample collected after symptoms subside) are classified as current dengue infections.

Recommended tests

Molecular tests.

For symptomatic persons with dengue virus infection, dengue virus RNA can usually be detected by molecular tests for the first 0-7 days in the course of illness. After day 7, molecular tests may not be as sensitive.

NS1 antigen tests

NS1 is detectable during the acute phase of dengue virus infections. NS1 tests can be as sensitive as molecular tests during the first 0-7 days of symptoms. After day 7, NS1 tests may not be as sensitive.

Serologic tests

IgM antibody testing can identify most recent dengue infections after day 3 of illness. These tests should be run on samples with negative NS1 and PCR results, particularly after day 3 of illness. Interpreting positive IgM results is complicated because of cross-reactivity with other flaviviruses, like Zika.

Plaque Reduction Neutralization Tests (PRNT) can resolve false-positive IgM antibody results caused by non-specific reactivity, and, in some cases, can help identify the infecting virus. However, in areas with high prevalence of dengue and Zika virus neutralizing antibodies, PRNT may not confirm a significant proportion of IgM positive results.

• All patients with clinically suspected dengue should receive appropriate management without waiting for diagnostic test results. Clinicians should monitor for shock and reduce the risk of complications resulting from increased vascular permeability, plasma leakage, and organ damage.
• Clinical samples can be referred to most state health departments or to commercial laboratories that offer dengue diagnostic testing.

Diagnosis in special circumstances

Areas with co-circulating flaviviruses.

Cross reactivity is a limitation of dengue serological tests and is seen when antibodies against other flaviviruses react on the dengue IgM test. For people living in or traveling to an area with concurrently circulating flaviviruses, clinicians will need to order plaque reduction neutralization test (PRNT) to rule out dengue on IgM-positive specimens. Physicians may consult with state or local public health laboratories or CDC for guidance. Zika, Japanese encephalitis, St. Louis encephalitis, West Nile, and yellow fever viruses are examples of other flaviviruses to be considered when ruling out dengue by PRNT. PRNT does not always a give conclusive diagnostic result, particularly in patients that have previously been exposed to more than one flavivirus. Current dengue molecular tests (E.g., RT-PCR) and NS1 tests do not have cross-reactivity with other flaviviruses of concern.

Pregnant people

If the patient is pregnant and symptomatic and lives in or has traveled to an area with risk of Zika, test for Zika using molecular tests in addition to dengue.

Reporting cases

In the United States, because dengue is a nationally notifiable disease, all suspected cases should be reported to the local health department.

• Suspected dengue cases should be notified to Public Health Labs in the respective states and jurisdictions.
• CDC can provide confirmatory dengue testing on samples submitted by state labs.
• CDC will report results to the submitting state or jurisdictional lab.

Dengue Virus Specimen Submission‎

• Hunsperger EA, Munoz-Jordan J, Beltran M, Colon C, Carrion J, Vazquez J, Acosta LN, Medina-Izquierdo JF, Horiuchi K, Biggerstaff BJ, Margolis HS. Performance of dengue diagnostic tests in a single-specimen diagnostic algorithm. J Infect Dis. 2017 Sept 15;214(7):837-44.
• Santiago GA, Verge E, Quiles Y, Cosme J, Vazquez J, Medina JF, Medina F, Colon C, Margolis H, Munoz-Jordan. Analytical and clinical performance of the CDC real time RT-PCR assay for detection and typing of dengue virus. PLoS Negl Trop Dis . 2013 July;7(7):e2311.
• Santiago GA, Vazquez J, Courtney S, Matias KY, Andersen LE, Butler AE, Roulo R, Bowzard J, Villanueva JM, Munoz-Jordan JL. Performance of the Trioplex real-time RT-PCR assay for detection of Zika, dengue, and chikungunya viruses. Nat Commun . April 2018;11;9(1):1391-1401.
• Sharp TM, Fischer M, Muñoz-Jordán JL, Paz-Bailey G, Staples JE, Gregory CJ, Waterman SH. Dengue and Zika virus diagnostic testing for patients with a clinically compatible illness and risk for infection with both viruses. MMWR . 2019 June 14;68(1):1-10.
• Waterman SH, Margolis HS, Sejvar JJ. Surveillance for dengue and dengue-associated neurologic syndromes in the United States. Am J Trop Med Hyg . 2015 May 7;92(5):997-98.

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