title: Seasonal vaccine effectiveness against pandemic A/H1N1.
authors.forename: Naveed Z
authors.initials: NZ
authors.lastname: Janjua
authors.forename: Danuta M
authors.initials: DM
authors.lastname: Skowronski
authors.forename: Travis S
authors.initials: TS
authors.lastname: Hottes
authors.forename: Gaston
authors.initials: G
authors.lastname: De Serres
authors.forename: Natasha S
authors.initials: NS
authors.lastname: Crowcroft
authors.forename: Laura C
authors.initials: LC
authors.lastname: Rosella
mesh_terms: D000367:Age Factors; D000368:Aged; D004196:Disease Outbreaks; D006801:Humans; D053118:Influenza A Virus, H1N1 Subtype; D007252:Influenza Vaccines / Q000276:immunology*; D007251:Influenza, Human / Q000453:epidemiology / Q000276:immunology / Q000517:prevention & control*; D008800:Mexico / Q000453:epidemiology
chemical_list: D007252:Influenza Vaccines