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Medical Definition of Venezuelan equine encephalomyelitis virus
1. A group A arbovirus of the genus Alphavirus, family Togaviridae, occurring in Venezuela and several other South American countries, in Panama and Trinidad, and occasionally the United States causing Venezuelan equine encephalomyelitis in horses and humans; it seems to be more viscerotropic than neurotropic; the virus is transmitted by Culex mosquitoes. Synonym: VEE virus. (05 Mar 2000)