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目的分析宜宾市钩端螺旋体(钩体)病疫情动态和流行规律,为有效预防控制钩体病的发生与流行提供科学依据。方法对2004-2007年宜宾市钩体病疫情资料进行描述性流行病学分析。结果4年共发病299例,无死亡病例,年平均发病率为1.51/10万;发病主要集中在8～9月,占发病总数的91.30%,男女性别比为2.69∶1;病例主要集中在10～35岁年龄组,占报告病例总数的76.59%;农民、学生是发病的主要人群,分别占发病总数的59.87%和36.79%。结论宜宾市钩体病发病高峰在8、9月份,青壮年农民及学生为主要发病对象。
Objective To analyze the dynamics and epidemic patterns of Leptospira (Leptospira) epidemic in Yibin, and provide scientific evidence for the effective prevention and control of the occurrence and spread of leptospirosis. Methods Descriptive epidemiological analysis of the leptospirosis in Yibin from 2004 to 2007 was conducted. Results There were 299 cases with no deaths in 4 years and the annual average incidence was 1.51 / 100 000. The incidence mainly concentrated in 8-9 months, accounting for 91.30% of the total number of cases and the ratio of male to female was 2.69:1. The cases mainly concentrated in The age group of 10-35 years old accounted for 76.59% of the total reported cases. Farmers and students accounted for 59.87% and 36.79% of the total incidence, respectively. Conclusions The peak incidence of leptospirosis in Yibin City in August and September, young adults and students as the main target.