为了查清涪陵地区农村寄生虫虫种的分布,流行特征及危害程度。1988～1990年,作者对全区5个县(市)有人体寄生虫分布情况作了抽样调查,现将结果报告于后。对象与方法按全国人体寄生虫分布调查,以县为单位按地形,海拨高度分成山区、丘陵、平坝排列,随机抽到乡村点。每县不同地形各抽一个点,每个 In order to find out the distribution of the parasitic worms in rural areas in Fuling, the epidemic characteristics and the degree of harm. From 1988 to 1990, the author conducted a sample survey on the distribution of human parasites in five counties (cities) in the region, and the results are reported later. Subjects and methods According to the investigation of the distribution of human parasites in the whole country, counties are divided into mountainous areas, hilly areas and flat bars by altitude according to the terrain, and are randomly assigned to villages. Each county different terrain pumping a point, each