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Mar 27, 2018 · Could there be a link between dengue and ethnicity? Do people of African – or even European – descent have better natural protection against the virus? The idea that skin color might influence dengue risk is nothing new.
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.
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- 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.
Apr 12, 2024 · The dengue virus is carried in the gut of female mosquitoes. When the insect bites an infected person and then feeds on someone else, it can spread the infection to that person. People cannot ...
- Laura Santhanam
May 15, 2024 · Dengue and severe dengue. Dengue is a mosquito-borne viral infection that is common in warm, tropical climates. Infection is caused by any one of four closely related dengue viruses (called serotypes) and these can lead to a wide spectrum of symptoms, including some which are extremely mild (unnoticeable) to those that may require medical ...
Jun 2, 2022 · Dengue - Questions and Answers. 2 June 2022. 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 ...
Dengue fever occurs following the bite of an infected Aedes aegypti mosquito. This mosquito has a peculiar white spotted body and legs and is easy to recognize. It breeds in clean water and has a flight range of only 100–200 m. The mosquito picks up the dengue virus after biting someone already infected with the virus.
