On the epidemiology of influenza. I. Pre-epidemic antibody levels and their relation to some epidemiological characteristics of influenza.
D000328:Adult; D000906:Antibodies / Q000032:analysis*; D000918:Antibody Specificity; D003604:Czechoslovakia; D006385:Hemagglutination Inhibition Tests; D006801:Humans; D007109:Immunity; D007251:Influenza, Human / Q000453:epidemiology / Q000209:etiology / Q000276:immunology*; D008297:Male; D008887:Military Medicine; D009975:Orthomyxoviridae / Q000302:isolation & purification; D012621:Seasons
D000906:Antibodies