Swine flu: did Uncle Sam buy a pig in a poke?
D000293:Adolescent; D000328:Adult; D000368:Aged; D002648:Child; D004196:Disease Outbreaks / Q000517:prevention & control; D004345:Drug Industry; D006801:Humans; D009980:Influenza A virus; D007252:Influenza Vaccines / Q000592:standards; D007251:Influenza, Human / Q000517:prevention & control*; D007341:Insurance; D008875:Middle Aged; D014481:United States
D007252:Influenza Vaccines