title: Avian influenza outbreak in Yorkshire: strain identified as H5N8.
mesh_terms: D000818:Animals; D004196:Disease Outbreaks / Q000662:veterinary*; D004372:Ducks / Q000821:virology*; D005585:Influenza in Birds / Q000453:epidemiology* / Q000821:virology*; D006113:United Kingdom / Q000453:epidemiology