1988年3至4月,我们对市区三所小学122名学生做了粪检,同年5月、10月进行集体服药,药物选用阿苯哒唑(100mg/片)。12岁以上学生口服400mg;12岁以下学生剂量减半,一次顿服。5天后统计排虫率。三铁、长江和九村三所小学学生的肠寄生虫感染率依次为 From March to April 1988, we surveyed 122 students in three primary schools in the urban area. During the same period in May and October of the same year, we took a group dose of albendazole (100 mg / tablet). Students over the age of 12 oral 400mg; students under 12 years of age halved dose, a Dayton clothing. Statistics 5 days after the row of worms. The rates of intestinal parasite infection among the three elementary schools in the three railways, the Yangtze River and the nine villages were as follows