Swine influenza: how much of a global threat?
D004196:Disease Outbreaks / Q000145:classification / Q000517:prevention & control* / Q000706:statistics & numerical data; D014943:Global Health; D006801:Humans; D053118:Influenza A Virus, H1N1 Subtype; D007251:Influenza, Human / Q000453:epidemiology / Q000517:prevention & control* / Q000635:transmission / Q000821:virology; D008800:Mexico / Q000453:epidemiology; D015980:Public Health Practice; D014481:United States / Q000453:epidemiology; D014944:World Health Organization