Antibodies in children's sera for serologically different recently isolated strains of influenza viruses A2 and B.
D000906:Antibodies / Q000032:analysis*; D002648:Child; D002675:Child, Preschool; D004739:England; D006385:Hemagglutination Inhibition Tests; D006801:Humans; D007223:Infant; D009975:Orthomyxoviridae / Q000276:immunology*; D010507:Periodicity
D000906:Antibodies