title: [Studies on the titers of hemagglutination inhibition antibody against Japanese encephalitis virus and the result of vaccination in the aged].
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D000914:Antibodies, Viral / Q000032:analysis*; D004664:Encephalitis Virus, Japanese / Q000276:immunology*; D004672:Encephalitis, Japanese / Q000276:immunology; D005260:Female; D006385:Hemagglutination Inhibition Tests; D006801:Humans; D008297:Male; D008875:Middle Aged; D013997:Time Factors; D014611:Vaccination; D014765:Viral Vaccines
chemical_list: D000914:Antibodies, Viral; D014765:Viral Vaccines