Influenza vaccine 1980-81.
D000293:Adolescent; D000328:Adult; D000956:Antigens, Viral / Q000276:immunology; D002648:Child; D002675:Child, Preschool; D005260:Female; D005827:Genetics, Microbial; D006801:Humans; D007223:Infant; D009980:Influenza A virus / Q000276:immunology; D007252:Influenza Vaccines / Q000276:immunology* / Q000627:therapeutic use; D007251:Influenza, Human / Q000517:prevention & control; D009975:Orthomyxoviridae / Q000276:immunology; D011247:Pregnancy
D000956:Antigens, Viral; D007252:Influenza Vaccines