title: Avian influenza: frequently asked questions.
mesh_terms: D000818:Animals; D001717:Birds; D004196:Disease Outbreaks / Q000517:prevention & control / Q000706:statistics & numerical data*; D014943:Global Health; D006801:Humans; D053124:Influenza A Virus, H5N1 Subtype / Q000472:pathogenicity*; D005585:Influenza in Birds / Q000453:epidemiology* / Q000635:transmission / Q000821:virology; D007251:Influenza, Human / Q000517:prevention & control; D011200:Poultry; D018570:Risk Assessment; D012307:Risk Factors