title: Avian influenza: Ferret H7N9 flu model questioned.
authors.forename: Marc
authors.initials: M
authors.lastname: Lipsitch
mesh_terms: D000818:Animals; D005289:Ferrets / Q000821:virology*; D006801:Humans; D009980:Influenza A virus / Q000235:genetics* / Q000472:pathogenicity*; D005585:Influenza in Birds / Q000821:virology*; D009976:Orthomyxoviridae Infections / Q000635:transmission* / Q000821:virology*