Dengue fever, a common mosquito-borne illness in many tropical and subtropical countries.Mosquitoes get infected with the dengue virus when by biting infected people, and then spread it when they bite another person. People can get the virus if you are exposed to infected blood.Dengue virus rarely causes death, but the infection can progress into a more serious condition known as dengue hemorrhagic fever.
Dengue hemorrhagic fever can occur when someone is bitten by a mosquito or exposed to blood infected with the dengue virus.Dengue virus is of 4 types. Infected with one of the viruses develops an immunity to that virus for the rest of your life which will not protect you from the other viruses. It is possible to be infected with all four different types of the dengue virus in your lifetime.Repeated exposure to the dengue virus increases chances of developing dengue hemorrhagic fever.
Symptoms of the dengue virus generally include:
These could be symptoms of dengue hemorrhagic fever :