title: Rift Valley fever. 1. Vector studies in the field.
mesh_terms: D000330:Aedes; D000818:Animals; D000852:Anopheles; D001103:Arboviruses / Q000302:isolation & purification; D002519:Ceratopogonidae; D003465:Culex; D004175:Diptera; D007303:Insect Vectors; D012295:Rift Valley Fever / Q000209:etiology*; D013019:South Africa