Influenza vaccine, 1997-1998.
D000368:Aged; D002648:Child; D002675:Child, Preschool; D004196:Disease Outbreaks; D004527:Egg Proteins / Q000276:immunology; D005512:Food Hypersensitivity / Q000209:etiology; D006801:Humans; D006967:Hypersensitivity / Q000209:etiology / Q000276:immunology; D007223:Infant; D007252:Influenza Vaccines / Q000008:administration & dosage / Q000009:adverse effects; D007251:Influenza, Human / Q000453:epidemiology; D007273:Injections, Intramuscular; D012621:Seasons; D013997:Time Factors; D014481:United States / Q000453:epidemiology
D004527:Egg Proteins; D007252:Influenza Vaccines