Once you contract one of the dengue viruses, you develop immunity to that virus for the rest of your life. However, you can still contract the other three viruses, so it’s possible to get all four dengue viruses in your lifetime. The viruses that cause dengue fever are related to those that cause yellow fever and West Nile virus infection.
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Also called: breakbone fever
A mosquito-borne viral disease occurring in tropical and subtropical areas.
Those who become infected with the virus a second time are at a significantly greater risk of developing severe disease.
Fewer than 100 thousand cases per year (India)
Spreads by animals or insects
Lab tests or imaging often required
Short-term: resolves within days to weeks
Critical: needs emergency care
HOW IT SPREADS
By animal or insect bites or stings.
People may experience:
Whole body: chills, fatigue, fever, or loss of appetite
Gastrointestinal: nausea or vomiting
Skin: rashes or red spots
Also common: easy bruising or headache