In January 2024, Chiba Prefecture in Japan confirmed an outbreak of highly pathogenic avian influenza (HPAI). According to Japan’s Ministry of Agriculture, Forestry and Fisheries, the outbreak occurred at a chicken farm in Chiba, with preliminary tests identifying the virus as the H5N1 subtype—a highly pathogenic strain. To contain the spread, local authorities immediately culled approximately 120,000 chickens on the affected farm and established quarantine and surveillance zones in surrounding areas, restricting the movement of poultry and related products. Epidemiological investigations are underway to trace possible transmission routes, including migratory birds, human activity, and vehicle traffic. This marks the 15th HPAI case in Japan this season, highlighting the ongoing global activity of avian influenza. Experts caution that while the virus primarily affects birds, humans in close contact with infected poultry may still be at risk. The public is advised to avoid contact with sick or dead birds and to ensure poultry meat and eggs are thoroughly cooked before consumption. The Japanese government has pledged to strengthen surveillance and control measures to safeguard the poultry industry and public health.
2024年1月，日本千叶县确认发生一起高致病性禽流感疫情。据日本农林水产省通报，该疫情发生在千叶县一处养鸡场，初步检测结果显示病毒类型为H5N1亚型，属于高致病性禽流感病毒。为防止疫情扩散，当地政府已立即采取扑杀措施，对该养殖场内约12万只鸡实施扑杀，并在周边设立警戒区和监控区，限制禽类及相关产品的运输。同时，相关部门正对可能的传播途径展开流行病学调查，包括候鸟迁徙、人员或车辆流动等因素。这是日本本季第15起高致病性禽流感疫情，反映出当前禽流感在全球范围内的活跃态势。专家提醒，尽管禽流感主要影响禽类，但人类若密切接触感染禽类仍存在感染风险，因此公众应避免接触病死禽鸟，食用禽肉和蛋类时务必彻底煮熟。日本政府表示将继续加强监测与防控，确保家禽产业安全及公共卫生稳定。
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