title: Ecological studies on Sindbis and West Nile viruses in South Africa. I. Viral activity as revealed by infection of mosquitoes and sentinel fowls.
mesh_terms: D000818:Animals; D001103:Arboviruses; D003465:Culex; D004463:Ecology; D004668:Encephalitis Viruses; D007303:Insect Vectors; D051379:Mice; D011201:Poultry Diseases / Q000382:microbiology*; D013019:South Africa; D014902:West Nile virus