Alarm bells ring over bird flu threat.
Williams
Nigel
N
D000818:Animals; D001210:Asia, Southeastern / Q000453:epidemiology; D004196:Disease Outbreaks; D006801:Humans; D009980:Influenza A virus; D005585:Influenza in Birds / Q000453:epidemiology* / Q000635:transmission; D011200:Poultry; D011201:Poultry Diseases / Q000453:epidemiology* / Q000635:transmission / Q000821:virology