H1N1 under surveillance. Feds, consumers getting plenty of assistance in tracking pandemic flu.
Zigmond
Jessica
J
D004196:Disease Outbreaks; D006801:Humans; D053118:Influenza A Virus, H1N1 Subtype; D007251:Influenza, Human / Q000453:epidemiology*; D011159:Population Surveillance / Q000379:methods*; D014481:United States / Q000453:epidemiology