Dengue virus or dengue fever virus comes from a Virus family ‘Flaviviridae. It is transmitted to people by a bite of mosquitos Aedes albopictus and Aedes aegypti. Dengue virus structure shows that since these mosquitoes need warm climate so dengue is found in tropics. Dengue virus is transmitted when a mosquito of genus Aedes bite a person who is infected with dengue virus. The virus is then transmitted into the blood of mosquito that travels through its stomach and then salivary glands where dengue virus multiplies.
When mosquito transmits anticoagulants, the person gets infected with dengue virus. This mosquito will remain transmit dengue during its whole life and complete dengue virus life cycle. Large number of people throughout the world gets infected with dengue virus each year. Most of the deaths have been reported from dengue shock syndrome and dengue hemorrhagic fever. The incubation period of dengue virus is four days. Infected individual shows different dengue fever symptoms like headache, macular rashes, backache, abdominal pain and sore throat.
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