作者对菲律宾莱特地区人群用吡喹酮治疗在控制血吸虫病中所起的作用进行了调查。调查对象是当地的小学生,采用粪检和酶联免疫吸附试验(ELISA)检测每年的患病率,自1979年起连续观察4年。当地控制血吸虫病流行所采取的四种措施是:吡喹酮治疗、灭螺、改善卫生设施、卫生教育。1979年粪检阳性的学生中有54～80%于1979年应 The authors investigated the role of praziquantel in the control of schistosomiasis in the population of the Wright area in the Philippines. The survey was conducted by local schoolchildren using the fecal seizure and enzyme-linked immunosorbent assay (ELISA) to test the annual prevalence, and was observed continuously for 4 years since 1979. The four local measures taken to control the prevalence of schistosomiasis are: praziquantel treatment, snail elimination, improved sanitation and hygiene education. In 1979, 54-80% of the students who stool were positive in 1979