Ecology of western equine and St. Louis encephalitis viruses; a summary of field investigations in Weld County, Colorado, 1949 to 1953.
D000818:Animals; D003120:Colorado; D004665:Encephalitis Virus, St. Louis; D004668:Encephalitis Viruses; D004671:Encephalitis, Arbovirus; D004679:Encephalomyelitis; D004683:Encephalomyelitis, Equine; D006736:Horses; D006801:Humans; D014780:Viruses
ENCEPHALITIS, EPIDEMIC/virus; ENCEPHALOMYELITIS, EQUINE/virus