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目的了解新疆生产建设兵团(以下简称新疆兵团)高危人群布病感染及患病情况及流行特征,以指导防控工作。方法采用多阶段分层整群随机的抽样方法于2013-2015年对新疆兵团8个师61个团场重点人群进行布病血检和问卷调查。结果本次调查收集新疆兵团布病重点人群23 481人,血检23 481人,男性14 464人,女性9 017人,平均年龄(44.39±10.52)岁;共发现感染者392人,感染率为1.67%,其中确诊病例310人,患病率为1.32%;2013-2015年布病感染率分别为1.23%、1.44%、2.34%,且呈逐年上升趋势,发病时间主要集中在3-6月,具有一定周期性。男性感染病率(227人,1.92%)高于女性(115人,1.28%),年龄集中在30~60岁;调查的5个主要民族中,蒙古族感染率(5.34%)明显高于汉族和其他少数民族,其次为回族(3.18%),汉族为1.53%;各师的平均感染率在0.06%~2.31%之间,除第一师(0.06%)和第七师(0.66%)外,其他各师均高于1%。北疆各师平均感染率(1.89%)明显高于南疆(1.00%)(P<0.001)。结论新疆兵团布病感染上升趋势明显,且高于部分布病流行地区,应加强当地的布病防控力度,控制源头流入,针对北疆地区各师,个别少数民族、牧民以及发病高峰月份进一步采取有效布病干预措施。
Objective To understand the prevalence and epidemic characteristics of brucellosis in high-risk population in Xinjiang Production and Construction Corps (hereinafter referred to as Xinjiang Corps) to guide the prevention and control work. Methods The multistage stratified cluster random sampling method was used to carry out the blood test and questionnaire survey of brucellosis in 61 key field groups of 8 divisions in Xinjiang Corps during 2013-2015. Results The survey collected 23 481 key population of brucellosis from Xinjiang Army Corps, 23 481 blood tests, 14 464 males and 9 017 females, with an average age of (44.39 ± 10.52) years. A total of 392 infected persons were found, the infection rate was 1.67%, of which 310 were diagnosed, the prevalence was 1.32%; 2013-2015 brucellosis infection rates were 1.23%, 1.44%, 2.34%, and showed an upward trend year by year, the onset time is mainly concentrated in the 3-6 months , With a certain periodicity. The prevalence of male infection was 227 (1.92%) higher than that of female (115, 1.28%) and the age ranged from 30 to 60 years old. Among the 5 major ethnic groups surveyed, the Mongolian infection rate (5.34%) was significantly higher than that of Han And other minorities, followed by Hui (3.18%) and Han (1.53%). The average infection rate of each division was between 0.06% and 2.31%, except for the first division (0.06%) and the seventh division , Other divisions are higher than 1%. The average infection rate of the northern division (1.89%) was significantly higher than that of southern Xinjiang (1.00%) (P <0.001). Conclusion The incidence of brucellosis increased significantly in Xinjiang Corps and higher than that in some areas where brucellosis is endemic. Prevention and control of brucellosis should be strengthened in order to control the source inflow. For each division, ethnic minorities and herdsmen in the northern region, Take effective brucellosis interventions.