Influenza 1980-1.
D000328:Adult; D000914:Antibodies, Viral / Q000032:analysis; D000956:Antigens, Viral / Q000276:immunology; D002648:Child; D006801:Humans; D007252:Influenza Vaccines / Q000276:immunology; D007251:Influenza, Human / Q000276:immunology / Q000517:prevention & control*; D009975:Orthomyxoviridae / Q000276:immunology; D014611:Vaccination
D000914:Antibodies, Viral; D000956:Antigens, Viral; D007252:Influenza Vaccines