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      陜西省延長縣豬炭疽病疫情緊急流行病學調查

      484 2022-08-24 10:46:51 賈培龍,冉紅志,陳敏艷,張旭輝 《中國動物檢疫》2022年第8期

      2022年2月,陜西省延長縣一養殖戶飼養的21只豬先后發生不明原因死亡,經陜西省動物疫病預防控制中心及市縣實驗室聯合診斷,證實此次疫情是由炭疽桿菌引起的豬炭疽病。為查明病菌來源,摸清感染路徑,按照重大動物疫病流行病學調查相關流程,省、市、縣相關部門組建專項工作組赴現場開展流行病學調查,分析疫情來源和傳播途徑,估測疫情擴散風險,指導開展疫情處置工作。綜合流行病學特征及臨床癥狀、實驗室鏡檢結果,推測本次疫情很可能是歷史疫源地炭疽桿菌意外暴露,通過人員、草料、交通工具傳播引起的。本次疫情警示,對于歷史疫源地要控制土壤的隨意開挖,做好范圍內養殖場的生物安全管理,加強包括豬、牛、羊在內所有炭疽易感家畜的炭疽防控。

      Emergency Epidemiological Investigation on the Outbreak of Swine Anthrax in Yanchang County of Shaanxi Province

      In February 2022,21 pigs successively died of unknown causes in a household in Yanchang Country of Shaanxi Province,which was confirmed to be an outbreak of anthrax as joint diagnosed by Shaanxi Center for Animal Disease Prevention and Control together with laboratories at city/county level. In order to find out the sources of the pathogen and identify all infection routes,a special working team was organized by relevant authorities at the provincial,municipal and county levels according to relevant procedures of epidemiological investigation on major animal diseases to analyze any possible sources and routes,evaluate the risk of spreading,and guide the disposal of the outbreak. It was speculated that,based on the epidemiological characteristics,clinical symptoms and laboratory microscopic examination results,the outbreak was likely to be caused by accidental exposure of anthrax bacteria in the historical infected zones then spreading via personnel,forage and vehicles. It was therefore recommended that random excavation of soil should be controlled in the historical infected zones where biosafety management should be well done in all farms,and the anthrax prevention and control of all susceptible livestock including pigs,cattle and sheep should be strengthened.

      信息來源:https://kns.cnki.net/kcms/detail/detail.aspx?dbcode=CJFD&dbname=CJFDAUTODAY&filename=ZGDW202208006&uniplatform=NZKPT&v=vPzqR5W2eDC_jizwrjxxXeQIn07jIq12ZB49DrTMPHAzvXC_dKGHX50ckdIYI8VN

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