The cause of dengue fever is any one of four identified dengue viruses namely - DENV-1, DENV-2, DENV-3, and DENV-4. The virus enters a mosquito when it bites an already infected person. And the illness is spread when it bites a healthy person, and the virus spreads through the person’s bloodstream.
Recovery from dengue fever caused by a particular virus may offer immunity to that virus but does not protect against the other 3 viruses. The risk for the severe form of dengue fever, called dengue hemorrhagic fever, actually increases when one has dengue for the second, third or fourth time.
Recovery from dengue fever caused by a particular virus may offer immunity to that virus but does not protect against the other 3 viruses. The risk for the severe form of dengue fever, called dengue hemorrhagic fever, actually increases when one has dengue for the second, third or fourth time.
The main cause of Dengue the attacks of viruses namely DENV-1, DENV-2, DENV-3, and DENV-4
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