Health A-Z

West Nile virus

Clinical Definition West Nile virus is an arthropod-borne flavivirus that is transmitted by mosquitos. Most infected individuals are asymptomatic, but some develop a mild febrile illness; more rarely, individuals develop serious illness such as West Nile meningo-encephalitis. In Our Own Words The West Nile virus is an infection spread by mosquitos. Endemic to Africa, the

View Terms Beginning with "X"