[Variability of strains of Japanese encephalitis virus in regard to the pH-dependency in hemagglutination].
D000818:Animals; D004668:Encephalitis Viruses / Q000276:immunology*; D004672:Encephalitis, Japanese; D006386:Hemagglutination Tests; D006863:Hydrogen-Ion Concentration; D066298:In Vitro Techniques; D051379:Mice