title: Japanese B encephalitis virus infection of horses during the first epidemic season following entry into an infected area.
mesh_terms: D000818:Animals; D002681:China; D004196:Disease Outbreaks; D004664:Encephalitis Virus, Japanese / Q000302:isolation & purification; D004672:Encephalitis, Japanese / Q000382:microbiology / Q000662:veterinary*; D006734:Horse Diseases / Q000453:epidemiology / Q000382:microbiology*; D006736:Horses