Generally, younger children and those with their first dengue infection have a milder illness than older children and adults. Symptoms generally begin 4 to 7 days after being bitten by an infected mosquito. Dengue usually lasts 3 to 10 days.
Dengue Hemorrhagic Fever (DHF) is a complication of dengue fever that tends to affect children under the age of 10. Without proper treatment, the mortality rate of DHF is 20%. Symptoms include: