2008-2011年内蒙古包头市人间布鲁杆菌病流行现状分析

Analysis of epidemic situation of human brucellosis in Baotou City of Inner Mongolia during 2008-2011

目的 了解和掌握内蒙古包头市人间布鲁杆菌病（简称布病）的流行特征.方法 收集2008-2011年包头市人间布病监测和疫情调查资料,采用描述性流行病学方法和相应的统计学方法进行分析,内容包括发病率、时间分布、地区分布、职业分布、年龄和性别分布等.结果 4年间共报告2 338例,年均发病率为25.52/10万,年发病率范围为5.37/10万～38.65/10万,发病率呈逐年上升趋势.高发季节为4-8月份,累计报告1 423例,占总病例数的60.86％（1 423/2338）.高发地区为达茂旗和固阳县,2个地区病例数占总病例数的70.66％（1 652/2 338）.发病人群以农民为主,占75.53％（1 766/2 338）.31～60岁组人群发病人数最多,占75.02％（1 754/2 338）.男性发病人数高于女性,男性占75.19％（1 758/2 338）.结论 内蒙古包头市人间布病发病率逐年上升,流行范围逐年扩大;布病的发生存在明显的季节、地区、性别、年龄差异.

Objective To understand the epidemiological characteristics of human brucellosis in Baotou City of Inner Mongolia from 2008 to 2011.Methods Datas were collected from surveillance and investigation of human brucellosis in Baotou City during 2008-2011,and analyzed by descriptive study and statistics methods,including the main outcome measures：incidence,time distribution,endemic distribution,occupation distribution,age and sex distribution.Results About 2 338 cases were reported during the 4 years,the average annual incidence rate was 25.52/one hundred thousand,the annual incidence rate was in the range of 5.37/one hundred thousand to 38.65/one hundred thousand,and the incidence rate was rising year by year.The incidence mainly concentrated from April to August,and total reported cases were 1 423,accounting for 60.86%（1 423/2 338）.Damaoqi and Guyangxian were regions with high prevalence rate of human brucellosis,and total reported cases were 1 652,accounting for 70.66%（1 652/2 338）.The incidence of farmers was higher,accounting for 75.53% （1 766/2 338）.The 31-60 years old group had the highest incidence,accounting for 75.02%（1 754/2 338）.The incidence of male was higher than that of female,male accounted for 75.19% （1 758/2 338）.Conclusions The infection of human brucellosis in Baotou City shows an increasing trend and widening scope.The incidence of human brucellosis has significant seasonal,regional,gender and age differences.