[Swine influenza].
D000293:Adolescent; D000328:Adult; D000368:Aged; D003718:Denmark; D006801:Humans; D009980:Influenza A virus; D007252:Influenza Vaccines; D007251:Influenza, Human / Q000453:epidemiology* / Q000517:prevention & control; D008875:Middle Aged; D014481:United States
D007252:Influenza Vaccines
Svineinfluenza