Renewed control efforts emphasize 'unrecognized' influenza threat.
D000328:Adult; D000368:Aged; D000547:Amantadine / Q000627:therapeutic use*; D002648:Child; D006280:Health Workforce; D006801:Humans; D007114:Immunization; D007252:Influenza Vaccines; D007251:Influenza, Human / Q000517:prevention & control*
D007252:Influenza Vaccines; D000547:Amantadine