title: Influenza A (H3N2) in Finland: changes of antibody status during 1968-72.
mesh_terms: D000328:Adult; D000906:Antibodies / Q000032:analysis*; D000917:Antibody Formation; D000937:Antigen-Antibody Reactions; D002648:Child; D002675:Child, Preschool; D003168:Complement Fixation Tests; D005260:Female; D005387:Finland; D005500:Follow-Up Studies; D006385:Hemagglutination Inhibition Tests; D006801:Humans; D007251:Influenza, Human / Q000134:cerebrospinal fluid / Q000453:epidemiology / Q000276:immunology*; D008297:Male; D011247:Pregnancy
chemical_list: D000906:Antibodies