1995年划归我区的沿长江地区是血吸虫病疫区。该区上下游均有阳性钉螺块，江水水体哨鼠疫水测定有血吸虫尾蚴，因此，该地区是血吸虫病易感地带。为防止在疫区中小学生中发生血吸虫病急性感染，近二年我们在疫区各学校建立了血防健教网络组织，积极开展‘“四个一”（看一次录 The area along the Yangtze River, which was subordinated to our district in 1995, is the schistosomiasis-endemic area. There are positive nails in the upper and lower reaches of the area, and the water of the sentinel plague water of the river water has schistosome cercariae. Therefore, the area is susceptible to schistosomiasis. In order to prevent the acute infection of schistosomiasis among primary and secondary school students in the epidemic areas, we organized a network of blood-resistant health education and education organizations in all schools in the affected areas in the past two years and actively carried out “four in one” programs