Avian influenza.
D000818:Animals; D000835:Animals, Wild / Q000821:virology; D001208:Asia / Q000453:epidemiology; D001717:Birds / Q000821:virology; D004196:Disease Outbreaks; D006801:Humans; D053124:Influenza A Virus, H5N1 Subtype / Q000472:pathogenicity; D009980:Influenza A virus / Q000472:pathogenicity; D005585:Influenza in Birds / Q000453:epidemiology*; D007251:Influenza, Human / Q000401:mortality*; D011200:Poultry / Q000821:virology