title: Age distribution of cases caused by different influenza viruses.
authors.affiliation: Department of Viroscience, Erasmus Medical Center, Rotterdam, The Netherlands. g.rimmelzwaan@erasmusmc.nl
authors.forename: Guus F
authors.initials: GF
authors.lastname: Rimmelzwaan
authors.forename: Ron A M
authors.initials: RA
authors.lastname: Fouchier
authors.forename: Albert D M E
authors.initials: AD
authors.lastname: Osterhaus
mesh_terms: D017677:Age Distribution; D006801:Humans; D009980:Influenza A virus / Q000276:immunology*; D007251:Influenza, Human / Q000453:epidemiology* / Q000276:immunology* / Q000821:virology