Influenza prevention 2002-2003.
D000328:Adult; D000368:Aged; D000998:Antiviral Agents / Q000627:therapeutic use; D005260:Female; D006801:Humans; D007115:Immunization Schedule; D007223:Infant; D007252:Influenza Vaccines / Q000008:administration & dosage* / Q000009:adverse effects; D007251:Influenza, Human / Q000517:prevention & control*; D008297:Male; D014481:United States
D000998:Antiviral Agents; D007252:Influenza Vaccines