title: H1N1 pandemic: watch out for the first wave in Switzerland.
authors.forename: P
authors.initials: P
authors.lastname: Vernazza
mesh_terms: D006801:Humans; D053118:Influenza A Virus, H1N1 Subtype; D007251:Influenza, Human / Q000453:epidemiology*; D011159:Population Surveillance; D013557:Switzerland / Q000453:epidemiology; D014944:World Health Organization