West Nile virus

US /ˌwest naɪl ˈvaɪrəs/
UK /ˌwest naɪl ˈvaɪrəs/
"West Nile virus" picture
1.

virus del Nilo Occidental

a flavivirus of African origin that is transmitted by mosquitoes and causes a disease of birds, horses, and humans, in whom it typically causes a mild feverish illness but can occasionally cause encephalitis or meningitis.

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The health department issued a warning about the spread of West Nile virus.
El departamento de salud emitió una advertencia sobre la propagación del virus del Nilo Occidental.
Symptoms of West Nile virus can range from mild to severe.
Los síntomas del virus del Nilo Occidental pueden variar de leves a graves.