2010-2012年资阳市钩体病流行病学分析  

Epidemic Situation of Leptospirosis in Ziyang,2010-2012

作　　者：欧阳敏[1] 何平[1] 廖安波 贾勇[1] 

机构地区：[1]资阳市疾病预防控制中心,四川资阳641300

出　　处：《预防医学情报杂志》2013年第11期997-1000,共4页Journal of Preventive Medicine Information

摘　　要：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 in Ziyang city from 2010 to2012 and to provide evidence for preventive and control measures.Methods Data between 2010-2012 were collected from national monitoring information reporting system and Sichuan CDC and were analyzed with descriptive epidemiological method.Results The total reported number of infections of leptospirosis from2010-2012 was 85.The average morbidity was 0.71 /105,with 7 cases died and the overall mortality rate was8.24%.The morbidity among different districts showed statistical significance(χ2= 186.75,P<0.01).Cases were reported only in Oct.,Sept.and Aug.,and peaked in September,which accounted for 84.71% of the total cases.As high as 92.94% of the cases were peasant and 82.35% cases were over 35 years old.One outbreak happened in Lezhi county in 2010.All the 85 cases had a history of working in the field and swimming.The prevalent colony was jaundice hemorrhage.Conclusion The epidemic situation of leptospirosis in Ziyang maintains a relatively high level and the epidemic factors are widespread.Additionally,the characteristics are of high mortality,high prevalence in summer and fall,population of middle age and above are the vulnerable population.

关 键 词：钩体病 流行病学 发病率 病死率 

分 类 号：R514.4[医药卫生—内科学]