Epidemiologic and immunologic significance of age distribution of antibody to antigenic variants of influenza virus.
D017677:Age Distribution; D000906:Antibodies; D000917:Antibody Formation; D000941:Antigens; D006801:Humans; D007109:Immunity; D007251:Influenza, Human; D009975:Orthomyxoviridae
D000906:Antibodies; D000941:Antigens
ANTIGENS AND ANTIBODIES; INFLUENZA VIRUSES