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West Nile virus

One entry found for West Nile virus.
Main Entry: West Nile virus
Function: noun
Etymology: from West Nile province of Uganda, where the virus was isolated in 1937
: a flavivirus (species West Nile virus of the genus Flavivirus) that causes an illness marked by fever, headache, muscle ache, skin rash, and sometimes encephalitis or meningitis and that is spread chiefly by mosquitoes; also : WEST NILE FEVER