日本本州岛确认禽流感疫情

Core Points - The Japanese Ministry of Agriculture, Forestry and Fisheries confirmed an outbreak of highly pathogenic avian influenza (HPAI) at a poultry farm in Tainai City, Niigata Prefecture, marking the first confirmed case in Honshu during the current flu season and the third nationwide [1] Summary by Categories Outbreak Details - The outbreak was identified as H5 subtype avian influenza, with approximately 630,000 egg-laying hens at the affected farm undergoing culling, incineration, and burial [1] - The Ministry received a report from the farm on December 3, followed by on-site investigations and preliminary testing, which returned positive results for avian influenza [1] Preventive Measures - A 3-kilometer radius around the farm has been designated as a "movement restriction zone," while a 3 to 10-kilometer radius is classified as a "removal restriction zone" [1] - Rapid testing is being conducted in the "movement restriction zone" to confirm any further outbreaks, and disinfection points have been established around the affected farm for vehicles related to livestock [1] Seasonal Context - The avian influenza outbreak typically occurs from autumn to spring in Japan, with the first reported case of the current season occurring on October 22 at a poultry farm in Shiraoi, Hokkaido [1]