A member asked:

What is the pathogenesis of the west nile virus infection?

A doctor has provided 1 answer

Brain virus: The flavivirus is carried by mosquitoes, often mutants that bite both birds and people. It usually produces no symptoms, less often a mild fever, 1% of the time affects the brain, with the virus entering and multiplying in brain cells sometimes with lasting damage. Until there is a vaccine, avoiding mosquitoes is safest.

Answered 6/30/2012

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