为确保我县2000年中小学生蛔虫防冶目标的实现，根据《全国学生常见肠道蠕虫感染综合防治方案》的要求，我们于1990年开始在全县范围内每年开展一次冬季中小学生集体预防服药（驱蛔药为阿苯达吐），现将防治效果报道如下。1对象与方法采取分层随机抽样方法，分别从农村和县城抽 In order to ensure the realization of the goal of prevention and treatment of roundworms in primary and secondary schools in 2000 in our county, according to the requirement of “Comprehensive Prevention and Cure Program of Common Gut Worm Infection Among Students in Our Country”, we started to take collective preventive medication in primary and secondary schools in winter (Drive roundworm medicine albendazole), now the prevention and control of the results reported below. 1 objects and methods to take stratified random sampling method, respectively, from the rural and county pumping