title: Death-rate row blurs mutant flu debate.
authors.forename: Declan
authors.initials: D
authors.lastname: Butler
mesh_terms: D000818:Animals; D000914:Antibodies, Viral / Q000032:analysis / Q000276:immunology; D006801:Humans; D053124:Influenza A Virus, H5N1 Subtype / Q000235:genetics* / Q000276:immunology / Q000302:isolation & purification / Q000472:pathogenicity*; D007251:Influenza, Human / Q000453:epidemiology / Q000276:immunology / Q000401:mortality* / Q000821:virology; D008954:Models, Biological; D011200:Poultry / Q000821:virology; D016036:Seroepidemiologic Studies; D015047:Zoonoses / Q000453:epidemiology / Q000635:transmission / Q000821:virology
chemical_list: D000914:Antibodies, Viral