title: Influenza types and patient population.
authors.forename: E C
authors.initials: EC
authors.lastname: Claas
authors.forename: J C
authors.initials: JC
authors.lastname: de Jong
authors.forename: A I
authors.initials: AI
authors.lastname: Bartelds
authors.forename: K
authors.initials: K
authors.lastname: Bijlsma
authors.forename: P
authors.initials: P
authors.lastname: Rothbarth
authors.forename: R
authors.initials: R
authors.lastname: de Groot
authors.forename: G F
authors.initials: GF
authors.lastname: Rimmelzwaan
authors.forename: A D
authors.initials: AD
authors.lastname: Osterhaus
mesh_terms: D005194:Family Practice; D006801:Humans; D009980:Influenza A virus / Q000302:isolation & purification; D009981:Influenza B virus / Q000302:isolation & purification; D007251:Influenza, Human / Q000453:epidemiology* / Q000821:virology; D007755:Laboratories, Hospital; D009426:Netherlands / Q000453:epidemiology; D011159:Population Surveillance / Q000379:methods