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目的分析2010-2012年资阳市钩端螺旋体病(leptospirosis,钩体病)疫情流行病学特征,为钩体病防控工作提供依据。方法收集2010-2012年全国疾病监测信息报告管理系统的报告数据和四川省疾病预防控制中心检测数据,利用描述性流行病学方法进行分析。结果 2010-2012年,资阳市钩体病累计报告85例,年均发病率0.71/10万,合计死亡7例,合计病死率为8.24%。不同地区间发病率的差异有统计学意义(χ2=186.753,P<0.01);仅8、9、10月份有病例报告,发病高峰为9月,占病例的84.71%。病例中农民占92.94%,35岁以上中老年病例占82.35%。2010年乐至县发生1起钩体病疫情。85例钩体病病例均有田间劳动和游泳戏水史,流行的主要菌群是黄疸出血群。结论 2010-2012年资阳市钩体病疫情维持在较高水平,流行因素广泛存在,病死率较高,夏秋之交高发,典型的稻田型钩体病流行,中老年为钩体病主要危害人群。
Objective To analyze the epidemiological characteristics of leptospirosis (leptospirosis) in Ziyang from 2010 to 2012, and provide evidence for the prevention and control of leptospirosis. Methods The report data of the national disease surveillance information report management system from 2010 to 2012 and the detection data of Sichuan Provincial Center for Disease Control and Prevention were collected and analyzed by descriptive epidemiological method. Results A total of 85 leptospirosis cases were reported in Ziyang from 2010 to 2012, with an average annual incidence of 0.71 / lakh and a total of 7 deaths. The total mortality was 8.24%. There were significant differences in the incidence of different regions (χ2 = 186.753, P <0.01); only cases were reported in August, September and October, the peak incidence was September, accounting for 84.71% of the cases. The cases accounted for 92.94% of farmers, middle-aged and older patients over 35 accounted for 82.35%. A leptospirosis epidemic occurred in Yuezhi County in 2010. 85 cases of leptospirosis cases have history of labor and swimming history, the prevalence of the main flora is jaundice bleeding group. Conclusion The epidemic situation of leptospirosis in Ziyang City was maintained at a high level from 2010 to 2012 with widespread epidemic factors, high mortality rate, high prevalence at the turn of summer and autumn, prevalence of typical rice leptospirosis, and prevalence of leptospirosis in middle-aged and elderly people .