Western equine encephalitis; the 1949 epidemic in Colorado.
D000818:Animals; D003120:Colorado; D004679:Encephalomyelitis; D004683:Encephalomyelitis, Equine; D020241:Encephalomyelitis, Western Equine; D058872:Epidemics; D006736:Horses; D006801:Humans
ENCEPHALOMYELITIS, EQUINE