title: Influenza types and patient population.
authors.forename: J M
authors.initials: JM
authors.lastname: Watson
authors.forename: D
authors.initials: D
authors.lastname: Dedman
authors.forename: C
authors.initials: C
authors.lastname: Joseph
authors.forename: M
authors.initials: M
authors.lastname: Zambon
authors.forename: M C
authors.initials: MC
authors.lastname: Timbury
mesh_terms: D004739:England / Q000453:epidemiology; D006760:Hospitalization; D006801:Humans; D009980:Influenza A virus / Q000145:classification / Q000302:isolation & purification*; D009981:Influenza B virus / Q000145:classification / Q000302:isolation & purification*; D007251:Influenza, Human / Q000453:epidemiology* / Q000821:virology; D011159:Population Surveillance; D014852:Wales / Q000453:epidemiology