H1N1 (swine) flu bears watching.
Ann Kettering
AK
Sincox
D006801:Humans; D053118:Influenza A Virus, H1N1 Subtype; D007251:Influenza, Human / Q000453:epidemiology*; D008824:Michigan; D016272:Occupational Health; D014481:United States / Q000453:epidemiology; D014611:Vaccination / Q000706:statistics & numerical data