title: Preliminary study of attenuated Japanese encephalitis virus.
mesh_terms: D000818:Animals; D002642:Chick Embryo; D006224:Cricetinae; D004664:Encephalitis Virus, Japanese / Q000276:immunology / Q000378:metabolism / Q000472:pathogenicity*; D005260:Female; D007372:Interferons / Q000096:biosynthesis; D051379:Mice; D013552:Swine; D014774:Virulence
chemical_list: D007372:Interferons