VARIATION OF VIRULENCE OF JAPANESE B ENCEPHALITIS VIRUS TO ADULT MICE.
D000818:Animals; D004660:Encephalitis; D004664:Encephalitis Virus, Japanese; D004672:Encephalitis, Japanese; D051379:Mice; D012106:Research; D014774:Virulence
ENCEPHALITIS, JAPANESE B; EXPERIMENTAL LAB STUDY; MICE