Plaque mutants of WEE virus.
D000818:Animals; D004667:Encephalitis Virus, Western Equine; D004679:Encephalomyelitis; D004683:Encephalomyelitis, Equine / Q000821:virology*; D006736:Horses; D009140:Musculoskeletal Diseases
ENCEPHALOMYELITIS, EQUINE/virology