title: A/H1N1 pandemic. Case definition is too loose.
authors.forename: Emma J
authors.initials: EJ
authors.lastname: Wilson
authors.forename: John
authors.initials: J
authors.lastname: Williams
authors.forename: Brendan
authors.initials: B
authors.lastname: McCarron
mesh_terms: D006760:Hospitalization; D006801:Humans; D053118:Influenza A Virus, H1N1 Subtype; D007251:Influenza, Human / Q000175:diagnosis*