Avian influenza A(H5N1)--situation on 4 February 2004.
D000818:Animals; D001208:Asia / Q000453:epidemiology; D004196:Disease Outbreaks; D006801:Humans; D053124:Influenza A Virus, H5N1 Subtype; D009980:Influenza A virus / Q000302:isolation & purification*; D005585:Influenza in Birds / Q000453:epidemiology* / Q000635:transmission / Q000821:virology; D007251:Influenza, Human / Q000453:epidemiology / Q000635:transmission / Q000821:virology*; D011200:Poultry; D011201:Poultry Diseases / Q000453:epidemiology / Q000821:virology