title: [A long-term observation of HI antibody against Japanese encephalitis virus and the effect of vaccination on the immunity of healthy adults].
mesh_terms: D000293:Adolescent; D000328:Adult; D000914:Antibodies, Viral / Q000032:analysis*; D004664:Encephalitis Virus, Japanese / Q000276:immunology*; D005260:Female; D006389:Hemagglutinins, Viral / Q000276:immunology*; D006801:Humans; D007109:Immunity; D008297:Male; D008875:Middle Aged; D013997:Time Factors; D014611:Vaccination
chemical_list: D000914:Antibodies, Viral; D006389:Hemagglutinins, Viral