Venezuelan equine encephalitis

Venezuelan equine encephalitis (Venezuelan equine encephalitis) is a natural epidemic of mosquito-borne and zoonotic central nervous system infection caused by Venezuelan equine encephalitis virus. The disease became epidemic in the Venezuelan equine herd in 1938, and was first named after the virus was isolated from the dead horse's tissues. Venezuelan equine encephalitis virus belongs to arbovirus A group virus. The antigen is divided into 6 subtypes. The main pathogenicity of human and horse epidemics is subtypes IA, IB and IC. Subtype Ⅱ.