title: Virology. Bird flu virus's promiscuity raises red flags.
authors.forename: Dennis
authors.initials: D
authors.lastname: Normile
mesh_terms: D000818:Animals; D002681:China / Q000453:epidemiology; D003132:Commerce; D006801:Humans; D064766:Influenza A Virus, H7N9 Subtype / Q000145:classification / Q000235:genetics; D005585:Influenza in Birds / Q000453:epidemiology* / Q000821:virology*; D007251:Influenza, Human / Q000453:epidemiology* / Q000821:virology*; D011200:Poultry; D016865:Reassortant Viruses / Q000145:classification / Q000235:genetics; D011995:Recombination, Genetic