noun Etymology: from West Nile province of Uganda, where the virus was isolated in 1937 Date: 1940 a flavivirus (species ~ 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
WEST NILE VIRUS
Meaning of WEST NILE VIRUS in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012