Alteration of virulence of Venezuelan equine encephalomyelitis virus after passage in L cell cultures and in mice.
D000818:Animals; D004666:Encephalitis Virus, Venezuelan Equine; D004679:Encephalomyelitis; D004683:Encephalomyelitis, Equine / Q000821:virology*; D004685:Encephalomyelitis, Venezuelan Equine; D006736:Horses; D051379:Mice; D014774:Virulence
ENCEPHALOMYELITIS, EQUINE/virology