我县已基本控制了血吸虫病流行,粪检法已很难查出病人.为了查清遗留病人,采用环卵沉淀试验(COP)和酶联免疫吸附试验(ELISA),于1984年在两个乡进行了普查. 材料和方法 一、基本情况:均为生产水稻和蚕桑为主的平原水网地区,有24个村,37556人,原有钉螺面积169万m~2,11573个病人。1979年以来,已连续六年未查到钉螺。1980年粪检30429人,阳性9例;1981 The county has basically controlled the epidemic of schistosomiasis, fecal semen method has been difficult to find the patient.In order to identify the remaining patients, the use of egg ring precipitation test (COP) and enzyme-linked immunosorbent assay (ELISA) in 1984 in two Township conducted a census.Material and methods First, the basic situation: are producing rice and sericulture-based plain water network area, 24 villages, 37556 people, the original snail area of ​​1690000 m ~ 2,11573 patients. Since 1979, snails have not been found for six consecutive years. In 1980 fecal examination 30429 people, positive in 9 cases;