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目的在肠道线虫病有效控制地区,开展学生目标化疗,观察人群感染率变化。方法在校学生中每年1次化疗驱虫,粪检用改良加藤氏厚涂片法;蛲虫用透明胶纸肛拭法,另设对照组。结果通过连续4年的学生目标化疗,肠道线虫感染率:村民从2001年1．23%下降到2005年0．33%,每年以28．03%的速度下降;外来流动人口以14．05%的速度下降;对照组每年以13．23%的速度回升。儿童蛲虫感染率:城区和集镇每年以44．16%的速度下降;农村呈成倍回升态势。结论在肠道线虫低感染区,开展学生目标化疗,既可以巩固防治成果,又可以继续降低人群感染率。
Objective In the area of effective control of gut nematode, carry out targeted chemotherapy for students and observe the change of population infection rate. Methods In school students once a year chemotherapy repellent, dung seized with improved Katsushi thick smear method; pinworm translucent adhesive tape anal swab method, another set of control group. Results The target rate of intestinal nematode infection by four consecutive years of target chemotherapy was: the villagers dropped from 1.23% in 2001 to 0.33% in 2005, with an annual rate of 28.03%; and the number of migrants was 14.05 % Of the rate of decline; control group rose at a rate of 13.23% annually. Child pinworm infection rates: urban areas and market towns to 44.16% annual rate of decline; rural areas rose doubled upward trend. Conclusion In the low infection area of intestinal nematode, carrying out targeted chemotherapy of students can not only consolidate the prevention and treatment results, but also continue to reduce the infection rate of the population.