一起人布鲁氏菌病的畜间流行病学调查
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S851.3

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Epidemiological Investigation on a Case of Human Brucellosis in Animals
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    摘要:

    2021年5月,湖南省长沙市发生一起人布鲁氏菌病疫情,确诊病例有共同暴露史,均接触或食用同一养殖场的羊胎衣。为确定疫情源头,防止疫情蔓延,消除疫情传播风险,通过现场走访询问、实验室检测等方式,对人确诊病例的共同暴露养殖场开展了畜间流行病学调查。调查结果显示:该养殖场饲养的山羊为外地调入且未经检疫,调入后出现疑似布鲁氏菌病症状并死亡;经实验室检测,存栏山羊的布鲁氏菌抗体阳性率为89.66%;相关人员普遍缺乏布病认知,防范意识不足,存在徒手接触羊流产物等情况,以及有食用羊胎衣的习俗。调查认为,养殖户外购未经检疫的羊是本次疫情的源头,相关人员布病防护意识低,对布病缺乏认知,导致感染。疫情确诊后,当地兽医主管部门按规定对存栏羊群进行全部扑杀和无害化处理,对栏舍进行全面彻底清洗消毒,依法查处违规调运等行为,使疫情得到有效控制。本次疫情警示,需要严格落实动物检疫和调运监管制度,做好监测预警,深化健康教育,提高群众自我防护意识,逐步净化消灭布病。

    Abstract:

    In May 2021,an outbreak of human brucellosis occurred in Changsha City,Hunan Province,a common history of exposure was found in all the confirmed cases,all of whom were exposed to or consumed sheep placenta from the same farm. In order to determine the source,prevent any spreading of the outbreak,and to eliminate potential risk of transmission,an epidemiological investigation for animals was carried out in the exposed farm where human cases were confirmed by means of on-site visit,interview,laboratory test,etc. The results showed that the goats kept in the farm were introduced from other regions without any quarantine,after introduction,the symptoms of suspected brucellosis appeared before death;as tested by laboratory,the positive rate of Brucella antibodies in goats on inventory was 89.66%;relevant persons knew little about brucellosis,with poor awareness of prevention,contacted sheep abortion with hands without any protection,and followed the custom of eating sheep placenta. It was considered that the outbreak was caused by the purchased goats without any quarantine,and relevant persons were infected due to their poor awareness of protection. Upon confirmation,all the goat population was killed and rendered as required by local authorities,their pens were thoroughly cleaned and disinfected,the illegal transportation and relevant behaviors were investigated and punished according to laws,which put the outbreak under control. It was recommended to gradually eliminate brucellosis in a region through strictly implementing the systems of animal quarantine and transportation supervision,making an effort in monitoring and early warning,increasing health education and improving the public's self-protection awareness.

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奉佳,刘华,伍国强,任杰,刘增再,张韬,杨辉,王辉,郑佳,宁华杰.一起人布鲁氏菌病的畜间流行病学调查[J].《中国动物检疫》编辑部,2022,39(11):41-44.

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