198 1年在云南省永胜县高山峡谷地区的总管田村发现流行血吸虫病。 1982年粪检查病人群阳性率为 6 2 .2 % ,牛群阳性率为 16 .1% ,钉螺感染率为 0 .12 %。 1982年起在该村采取单纯人、畜同步用吡喹酮化疗防治血吸虫病的对策 ,每年粪检查病 ,对查出的病人、病畜用吡喹酮化疗 ,不 198 In 1991, an epidemic schistosomiasis was found in the head of Tian Village, a mountain valley in Yongsheng County, Yunnan Province. The positive rate of fecal examination in 1982 was 62.2%, the positive rate of cattle was 16.1%, and the infection rate of snails was 0.12%. Since 1982, in the village to take simple human and animal synchronized praziquantel chemotherapy to combat schistosomiasis countermeasures, annual fecal examination of the disease, patients with praziquantel chemotherapy, not