Encephalitis Virus, Western Equine
Encephalitis Viruses, Western Equine
Encephalomyelitis Virus, Western Equine
Virus, Western Equine Encephalitis
Viruses, Western Equine Encephalitis
Western Equine Encephalitis Viruses
Western equine encephalitis virus
A species of ALPHAVIRUS that is the etiologic agent of encephalomyelitis in humans and equines in the United States, southern Canada, and parts of South America.