title: A field trial with an improved Japanese encephalitis vaccine in a nonendemic area of the disease.
mesh_terms: D000367:Age Factors; D000368:Aged; D000906:Antibodies / Q000032:analysis; D000917:Antibody Formation; D002648:Child; D002850:Chromatography, Gel; D003429:Cross Reactions; D004664:Encephalitis Virus, Japanese; D004668:Encephalitis Viruses / Q000276:immunology; D006801:Humans; D007117:Immunization, Secondary; D008875:Middle Aged; D014611:Vaccination; D014765:Viral Vaccines / Q000008:administration & dosage / Q000009:adverse effects
chemical_list: D000906:Antibodies; D014765:Viral Vaccines