title: Reply to Chan-Tack et al.
authors.forename: Pieter L A
authors.initials: PL
authors.lastname: Fraaij
authors.forename: Erhard
authors.initials: E
authors.lastname: van der Vries
authors.forename: Albert D M E
authors.initials: AD
authors.lastname: Osterhaus
mesh_terms: D006801:Humans; D053118:Influenza A Virus, H1N1 Subtype; D007251:Influenza, Human / Q000188:drug therapy*; D053243:Zanamivir / Q000627:therapeutic use*
chemical_list: D053243:Zanamivir