title: Older age and a reduced likelihood of 2009 H1N1 virus infection.
authors.forename: David N
authors.initials: DN
authors.lastname: Fisman
authors.forename: Rachel
authors.initials: R
authors.lastname: Savage
authors.forename: Jonathan
authors.initials: J
authors.lastname: Gubbay
authors.forename: Camille
authors.initials: C
authors.lastname: Achonu
authors.forename: Holy
authors.initials: H
authors.lastname: Akwar
authors.forename: David J
authors.initials: DJ
authors.lastname: Farrell
authors.forename: Natasha S
authors.initials: NS
authors.lastname: Crowcroft
authors.forename: Phil
authors.initials: P
authors.lastname: Jackson
mesh_terms: D000328:Adult; D000367:Age Factors; D000368:Aged; D004196:Disease Outbreaks; D006801:Humans; D053118:Influenza A Virus, H1N1 Subtype; D009980:Influenza A virus; D007251:Influenza, Human / Q000453:epidemiology* / Q000821:virology; D008875:Middle Aged; D012044:Regression Analysis; D012307:Risk Factors; D055815:Young Adult