Dengue Fever is caused by one of the four closely related, but antigenically distinct, virusserotypes

Dengue type 1, Dengue type 2, Dengue type 3, and Dengue type 4 of the genusFlavivirus and Chikungunya

virus. Infection with one of these serotype provides immunity toonly that serotype of life, to a person living in a

Dengue-endemic area can have more than oneDengue infection during their lifetime. Dengue fever

through the four different Dengue serotypesare maintained in the cycle which involves humans

and Aedes aegypti or Aedes albopictusmosquito through the transmission of the viruses to

humans by the bite of an infected mosquito.The mosquito becomes infected with the Dengue virus when it bites

a person who has Dengueand after a week it can transmit the virus while biting a healthy person. Dengue cannot

betransmitted or directly spread from person to person. Aedes aegypti is the most common aedesspecie which

is a domestic, day-biting mosquito that prefers to feed on hum

dffffffffffffffffffffffffffffffffffffffffffffffffff

fffffffffffffffffffffffffffffffffffffffffffffffffffffadvsbdfbsdfbsdfbsdfbsdfbsdfbsdfbsdfbsdfbsdfbsdfbdsfbsdfbsdfbans