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深圳建市以来市区中小学生肠道蠕虫感染情况从未进行调查．1993年9月我们按卫生部、国家教委下发的“全国学生常见肠道蠕虫感染综合防治方案”及“技术规范”等文件[1]要求，在市区内选择经济水平、环境卫生状况能代表我市水平的两所中学、两所小学进行了学生肠道蠕虫感染情况
Since the establishment of Shenzhen City, primary and secondary school students in urban intestinal infection has never been investigated. In September 1993, according to the document “Comprehensive Prevention and Control Program of Common Gut Worm Infection Among Students in the Country” and “Technical Specifications” issued by the Ministry of Health and the State Education Commission [1], we selected the economic level and environmental sanitation in the urban area Two secondary schools on behalf of our city level, two primary schools conducted a student intestinal worm infection