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目的调查分析一起布氏杆菌病聚集性疫情的流行病学特征,探讨布氏杆菌病的发病原因和预防措施,以引起对布氏杆菌病聚集性疫情的重视。方法采用描述性流行病学方法进行分析,对病例开展个案调查,对病例家属和东伙房村所有养羊户进行重点人群调查;采集可疑者血液标本,由张家口市疾病预防控制中心进行布病虎红平板凝集试验(RBRT)和试管凝集试验(SAT)。结果根据《布氏杆菌病诊断标准》(WS 269-2007)及流行病学资料,确定此次事件为一起布氏杆菌病聚集性疫情。本次布鲁氏杆菌病聚集病例传染源为病羊,传染途径为饲养及为病羊接产、接触病羊分泌物等。结论由于采取了及时有效的防控措施,疫情得到了有效控制,并防止了疫情的蔓延扩散。
Objective To investigate the epidemiological characteristics of a cluster epidemic of brucellosis and to explore the etiological factors and preventive measures against brucellosis so as to attract the attention of the cluster epidemic situation of brucellosis. Methods Descriptive epidemiological methods were used to analyze the cases and carry out a case-by-case survey to investigate the key population of all the sheep-raising households in the case family and Dongfangfang village. Blood samples were collected from the suspicious individuals and distributed by Zhangjiakou Municipal Center for Disease Control and Prevention Red Plate Agglutination Test (RBRT) and Tube Agglutination Test (SAT). Results According to the “Diagnostic criteria for brucellosis” (WS 269-2007) and epidemiological data, the incident was identified as a cluster of brucellosis outbreaks. The source of brucellosis clustering cases of infected sheep, the route of infection for the feeding and sick goat miscarriage, sick sheep secretions and so on. Conclusion As a result of prompt and effective prevention and control measures, the epidemic has been effectively controlled and the spread of the epidemic prevented.