钩端螺旋体病 (以下简称钩体病 ) ,是我县重点防治的自然疫源性疾病 ,自从 1971年报告首例病人后 ,除 1974、1982两年无疫情外 ,其余每年均有病例报告 ,为探讨钩体病流行规律和特征 ,为今后防治工作提供依据 ,特分析如下 :1　资料来源根据旌德县卫生防疫站 1990～ 2 0 0 0年传 Leptospirosis (hereinafter referred to as leptospirosis) is a natural focal disease prevention and treatment in our county. Since the first patient was reported in 1971, there are no reports of any other cases except the two in 1974 and 1982. In order to explore the prevalence and characteristics of leptospirosis and provide basis for future prevention and treatment work, the analysis is as follows: 1 Source According to the Jingde County Health and Epidemic Prevention Station from 1990 to 2000