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Oct 5, 2022 · Dengue (DENG-gey) fever is a mosquito-borne illness that occurs in tropical and subtropical areas of the world. Mild dengue fever causes a high fever and flu-like symptoms. The severe form of dengue fever, also called dengue hemorrhagic fever, can cause serious bleeding, a sudden drop in blood pressure (shock) and death.
Apr 23, 2024 · Most people with dengue have mild or no symptoms and will get better in 1–2 weeks. Rarely, dengue can be severe and lead to death. If symptoms occur, they usually begin 4–10 days after infection and last for 2–7 days. Symptoms may include: high fever (40°C/104°F) severe headache. pain behind the eyes.
- Dengue viruses are spread to people through the bite of an infected Aedes species (Ae. aegypti or Ae. albopictus) mosquito. These mosquitoes also spread Zika, chikungunya, and other viruses.
- Dengue is common in more than 100 countries around the world.
- Forty percent of the world’s population, about 3 billion people, live in areas with a risk of dengue. Dengue is often a leading cause of illness in areas with risk.
- Each year, up to 400 million people get infected with dengue. Approximately 100 million people get sick from infection, and 22,000 die from severe dengue.
Dengue is a mosquito-borne viral infection causing a severe flu-like illness and, sometimes causing a potentially lethal complication called severe dengue. The incidence of dengue has increased 30-fold over the last 50 years. Up to 50-100 million infections are now estimated to occur annually in over 100 endemic countries, putting almost half of the world’s population at risk.
- What is dengue fever and severe dengue?Dengue is a vector-borne disease transmitted by the bite of an infected mosquito. There are 4 serotypes of the virus that causes dengue. These are...
- Where does the disease occur?Dengue is mainly transmitted by a mosquito ( Aedes aegypti ) and is distributed across all tropical countries. Ae. aegypti and other species such...
- What are the symptoms of dengue fever and severe dengue?Dengue fever Dengue causes flu-like symptoms and lasts for 2-7 days. Dengue fever usually occurs after an incubation period of 4-10 days after the...
- What is the treatment for dengue?There is no vaccine or specific medication for dengue fever. Patients should seek medical advice, rest and drink plenty of fluids. Paracetamol can...
- What should I do if I suspect I have dengue?If you suspect you have dengue you need to see a doctor immediately. To diagnose dengue fever, your doctor will: Evaluate your signs and symptoms;...
- Who spreads dengue and severe dengue?Dengue is spread through the bite of the female mosquito ( Aedes aegypti ). The mosquito becomes infected when it takes the blood of a person infec...
- Where do the mosquitoes breed?The mosquitoes thrive in areas close to human population (urban areas). The dengue mosquito lays its eggs in water-filled containers inside the...
- What can be done to reduce the risk of acquiring dengue?The best preventive measure for areas infested with Aedes mosquito is to eliminate the mosquitoes’ egg laying sites – called source reduction. Lo...
- Personal and household protectionProtecting yourself from mosquito bites is most effective by reducing exposed skin to mosquitoes to bite on. Long-sleeved clothing and mosquito rep...
Jun 6, 2022 · Severe dengue is a life-threatening worsening of dengue symptoms. Warning signs of severe dengue are usually seen 24 to 48 hours after your fever goes away. Severe dengue is a medical emergency that can be fatal. If you have dengue or live in an area where dengue is common, go to the nearest ER immediately if you experience any of these symptoms:
Feb 15, 2022 · Dengue fever is transmitted by the bite of a mosquito (typically of the species Aedes aegypti) and usually causes flu-like symptoms such as fever, pain in the muscles and general weakness. Although most cases of dengue fever are relatively mild, even mild infections can cause painful or debilitating symptoms.
- Is dengue fever contagious?No. Dengue fever is not spread from person to person but via infected mosquitoes.
- Can dengue fever be fatal?Yes. However, this is rare. Dengue fever with complications, and especially dengue hemorrhagic fever, can be fatal if they are not treated..
- Can dengue fever come back after you recover?No. Dengue fever is not recurrent in the same way that, for example, malaria is. However, it is possible to have dengue fever more than once. A per...
- What virus causes dengue fever?Dengue fever is caused by four closely related viruses, known as serotypes: DEN-1, DEN-2, DEN-3 and DEN-4. DEN-5 may also be responsible for a few...
- What is the difference between dengue fever and malaria?Both dengue fever and malaria are spread by mosquitoes, but the diseases themselves are not related. Dengue is spread by Aedes aegypti and Aedes al...
- Is dengue fever connected to Zika virus?Zika virus and dengue virus belong to the same family of viruses, Flaviviridae. The viruses that case yellow fever, Japanese encephalitis and West...
- Is dengue fever connected to chikungunya fever?The chikungunya virus and the dengue virus themselves are not related. However, the virus that causes chikungunya fever, known as CHIKV, can be car...
- Can dengue fever be sexually transmitted?Dengue fever cannot be sexually transmitted between humans. Mosquitoes, however, can transmit the virus to other mosquitoes during mating. Dengue f...
- What does the dengue fever rash look like?Typically, it begins as a mild, red, blotchy rash, giving the infected person a flushed appearance. As the virus develops, the rash can become more...
- When should I visit the doctor if I think I have dengue fever?If there is any suspicion of dengue fever, you should visit a doctor immediately. A doctor will be able to evaluate your symptoms and make a proper...
Apr 3, 2024 · About 75% of people who are infected with dengue have what we call subclinical symptoms, meaning they may have a fever for a day or so and feel achy, but not sick enough to seek medical care. But about 25% of people have much more severe symptoms. They have a high fever, no appetite, severe achiness, and a very low platelet count, which can ...
