title: Highly pathogenic avian influenza reported in Russian bird populations.
mesh_terms: D000818:Animals; D001717:Birds; D004196:Disease Outbreaks / Q000662:veterinary*; D005506:Food Contamination / Q000032:analysis*; D005516:Food Microbiology; D015994:Incidence; D053124:Influenza A Virus, H5N1 Subtype / Q000302:isolation & purification* / Q000472:pathogenicity*; D005585:Influenza in Birds / Q000453:epidemiology* / Q000821:virology*; D011200:Poultry / Q000382:microbiology*; D018570:Risk Assessment; D012307:Risk Factors; D012426:Russia / Q000453:epidemiology