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目的分析安岳县2005-2011年钩端螺旋体病(leptospirosis,钩体病)疫情流行病学特征,为钩体病防控工作提供科学有效依据。方法对93例病例的三间分布特征和有关影响因素进行分析,找出发病原因,提出有效防治对策。结果 2005-2011年安岳县钩体病共报告93例,2005年报告病例最高(37例),2010年最低(5例),年均发病率约为0.84/10万;发病季节为6-10月,9月最高,占发病总数的83.87%(78/93);发病人群以50～59岁年龄组为主,占病例总数的35.48%(33/93);男性多于女性,构成比为2.32:1;职业以农民发病为主,占总发病数的81.72%。结论来2005-2011年安岳县钩体发病率处于较低水平,逐年呈现下降趋势,主要发病人群为农民,农村是钩体病防治的重点地区。
Objective To analyze the epidemiological characteristics of leptospirosis from 2005 to 2011 in Anyue County, and provide a scientific and effective basis for the prevention and control of leptospirosis. Methods Three distributional characteristics of 93 cases and related influencing factors were analyzed to find out the causes of the disease and put forward effective prevention and treatment measures. Results A total of 93 cases of leptospirosis in Anyue County from 2005 to 2011 were reported, with the highest reported cases in 2005 (37 cases) and the lowest in 2010 (5 cases) with an average annual incidence of 0.84 / The highest incidence was in October and September, accounting for 83.87% (78/93) of the total incidence. The incidence of the disease was mainly in the age group of 50-59 years, accounting for 35.48% (33/93) of the total number of cases. More men than women, 2.32: 1; the occupational disease was dominated by peasants, accounting for 81.72% of the total. Conclusions The incidence of leptospirosis in Anyue County from 2005 to 2011 was at a low level, showing a declining trend year by year. The main disease population was peasant and the rural area was the key area for the prevention and control of leptospirosis.