Isolation and passage in one-day eggs of Japanese B encephalitis (JBE) virus resulting in attenuation of its mouse pathogenicity.
D000818:Animals; D004660:Encephalitis; D004664:Encephalitis Virus, Japanese; D004672:Encephalitis, Japanese / Q000821:virology*; D051379:Mice; D014774:Virulence
ENCEPHALITIS, JAPANESE B/virology