Dengue Fever

Dengue Fever: Causes, Signs, and Avoidance
Humans typically contract dengue fever from the bite of sick Aedes mosquitoes. There are four strains of the dengue virus: DENV-1 through DENV-4; hence, an individual can become infected several times.
Usually showing 4–10 days following a mosquito bite, symptoms include high fever, severe headaches, joint and muscular discomfort, skin rashes, nausea, and tiredness. Sometimes dengue advances to severe dengue (dengue hemorrhagic fever), which causes internal bleeding, organ failure, and occasionally death.
Dengue is common in tropical and subtropical areas of Asia, Africa, and South America because Aedes mosquitoes thrive in urban environments with still water.
Personal protection and mosquito control take centre stage in prevention. Insect repellent, long-sleeved clothes, the removal of standing water, and the use of mosquito nets can reduce the risk of infection. To help to lower mosquito numbers, governments also run fogging and community awareness campaigns.
Currently, there is no particular antiviral treatment for dengue. Supportive treatment involves hydration and fever control. Some nations offer a dengue vaccine that provides partial protection. Early diagnosis and appropriate treatment greatly lower the chance of major consequences.