The simultaneous occurrence of A 2 -Hong Kong and B strains in an outbreak of influenza in a kibbutz.
D000293:Adolescent; D000328:Adult; D000367:Age Factors; D000937:Antigen-Antibody Reactions; D002648:Child; D002675:Child, Preschool; D003429:Cross Reactions; D006385:Hemagglutination Inhibition Tests; D006801:Humans; D007106:Immune Sera; D007223:Infant; D007231:Infant, Newborn; D007251:Influenza, Human / Q000175:diagnosis / Q000453:epidemiology* / Q000276:immunology; D007557:Israel; D008875:Middle Aged; D009975:Orthomyxoviridae / Q000276:immunology / Q000302:isolation & purification
D007106:Immune Sera