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abstractpubmed· Abstract 2019· item PMID:30666938

West Nile Virus Infection in Travelers Returning to United Kingdom from South Africa. West Nile virus (WNV) is an arthropod-transmitted flavivirus that causes West Nile fever and may infrequently cause neuroinvasive disease in humans. We present 2 cases of confirmed WNV infection, 1 of severe encephalitis and 1 of mild febrile illness, in a couple returning to the United Kingdom from South Africa.