1999年 7月下旬至 8月上旬 ,我省吉水县水田乡发生一起钩体病暴发流行 ,我们进行了调查处理 ,结果分析如下。材料与方法1 对该县集中发生钩体病例的水田乡石鼓、富塘、孔巷、杜下等 4个行政村的 6 3例钩体病例进行流行病学个案调查。2 采集病人的血清 ,应用显微镜凝集试验 ( From late July to early August 1999, an outbreak of leptospirosis occurred in Shuitian Township, Jishui County of our province. We carried out investigation and treatment and the results were analyzed as follows. Materials and methods 1 The epidemiological investigation was conducted on 63 cases of leptospirosis cases from 4 administrative villages in Shitou, Futian, Kongxiang, Duxia, etc. in Shixiang Township, where the leptospiosis occurred in the county. 2 collected the patient’s serum, the application of microscope agglutination test (