On December 2 a new outbreak of highly pathogenic avian influenza (subtype H5N8) has been detected in a commercial poultry farm in the county of Siedlce, neighboring Poland, where more than 117 000 turkeys were kept. The State Food and Veterinary Service (SFVS) reports that this is the second such large poultry farm in Poland affected by the disease in the last week. Because of the virus more than 1.6 million birds were destroyed in Poland this year.Dangerous contagious disease is reported to have been confirmed by the sudden death of more than a thousand kept birds and the examination of samples of their carcasses. Polish veterinarians have already taken all necessary measures to prevent the spread of the virus from the farm and the introduction to the market of live birds, poultry or animal by-products from the outbreak site.Necessary protection and monitoring zones have been established around the outbreak, and birds have been killed, cleaned and disinfected. An epizootic study is also being carried out to explain how the virus entered the farm. This is the 34th outbreak of highly pathogenic avian influenza confirmed in Polish poultry holdings in 2020.