title: Flu genomes trace H7N9 evolution.
authors.forename: Declan
authors.initials: D
authors.lastname: Butler
mesh_terms: D000818:Animals; D001717:Birds / Q000821:virology*; D002681:China / Q000453:epidemiology; D019143:Evolution, Molecular; D016679:Genome, Viral / Q000235:genetics*; D006801:Humans; D064766:Influenza A Virus, H7N9 Subtype / Q000235:genetics* / Q000302:isolation & purification*; D005585:Influenza in Birds / Q000453:epidemiology / Q000635:transmission / Q000821:virology*; D007251:Influenza, Human / Q000453:epidemiology / Q000635:transmission / Q000821:virology*; D015047:Zoonoses / Q000453:epidemiology / Q000635:transmission / Q000821:virology