title: [Jumble of uncertainties].
authors.forename: Bertrand
authors.initials: B
authors.lastname: Kiefer
mesh_terms: D004196:Disease Outbreaks; D006801:Humans; D053118:Influenza A Virus, H1N1 Subtype / Q000276:immunology / Q000472:pathogenicity; D007252:Influenza Vaccines / Q000008:administration & dosage*; D007251:Influenza, Human / Q000453:epidemiology / Q000517:prevention & control*; D014611:Vaccination; D014774:Virulence; D014944:World Health Organization
chemical_list: D007252:Influenza Vaccines