Objective To investigate the epidemic situation of brucellosis in Datong city, and to provide scientific evidence for making appropriate prevention and control measures. Methods Surveillance data of human brucellosis in 7 countris and 4 districts in Datong city between 2006 and 2009 were collected, throng the national network straight quote system in an infectious diseases. Excel database was established and all data were statistically analyzed. Incidence of brucellosis in local population was analyzed. The regional distribution, time distribution,occupation, age and sex distribution were analyzed. Epidemic characteristics and trend of brucellosis in Datong city were summarized. Results A total of 5195 cases of brucellosis patients in Datong were found between 2006 and 2009, the average incidence rate was 57.51/10 million. All counties had the disease, and the onset of the disease mainly in the spring and summer. Most cases were young males. Farmer case was 81.67％(4243/5195) of the total patients. Conclusions From 2006 to 2009, epidemic characteristic of Datong human brucellosis is"high-low-high"(incidence). We suggests the Department concerned to strengthen the prevention and control of the disease in some counties, focusing on spreading of disease prevention and control knowledge among farmers and increase their self-protection awareness.%目的 了解大同市布鲁杆菌病（简称布病）流行现状，为制订预防决策提供科学依据。方法 通过全国传染病疫情网络直报系统，收集整理2006 - 2009年大同市7个县4个区人间布病疫情监测资料，建立Excel数据库，对全部数据进行统计分析。分析当地人群布病发病率，发病人群的地区分布、时间分布、职业分布、年龄性别分布，总结大同市人间布病流行趋势及特点。结果 2006 - 2009年大同市共发生布病5195例，平均发病率为57.51/10万。各县（区）均有发病，发病时间以春、夏季为主，发病人群以青壮年男性居多。农民发病人数占总发病人数的81.67％(4243/5195)。结论 2006 - 2009年，大同市人间布病疫情呈现“高—低—高”流行态势，建议有关部门加大重点县（区）的防治工作力度，对重点发病人群进行布病防护知识的宣传，提高农民自我防护意识。
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