1986年6月中旬至8月上旬,陕西省白河县西沟乡暴发流行志贺氏Ⅰ型痢疾。患病率为9.43%,病死率为1.64%,户内续发率为21.03%,疫源性指数为7.58。婴幼儿及学龄前儿童发病高。传染源可能为外地输入,为多因素综合作用。所检出菌株的药敏试验结果,仅对庆大、卡那霉素敏感,而对余13种常用抗 From mid-June 1986 to early August 1986, Shiheshi Type I dysentery was endemic in Xigou Township, Baihe County, Shaanxi Province. The prevalence was 9.43%, the case fatality rate was 1.64%, the indoor recurrence rate was 21.03% and the foci index was 7.58. High incidence of infants and preschool children. Sources of infection may be imported outside, for a multi-factor combination. The results of the drug susceptibility test of the tested strains were only sensitive to kanamycin and kanamycin, but to the remaining 13 commonly used anti-kanamycin