Since the beginning of January, outbreaks of high pathogenic A(H5N8) and low pathogenic A(H5N1) avian influenza viruses have been reported in the central eastern part of Europe. These outbreaks in poultry holdings and wild birds, reported to the World Organisation for Animal Health and listed in the Global Animal Disease Information System (EMPRES-i) of the Food and Agriculture Organization of the United Nations (FAO), have been detected in countries such as the Czech Republic, Denmark, Germany, Hungary, Poland, Romania, Slovakia, and Ukraine.