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为摸清昆明钢铁公司中小学生肠寄生虫病感染情况.我们选择中小学各一所采用饱和盐水漂浮法对297名学生进行抽样调查。结果查见寄生虫感染者109例,其感染率为36.7%;其中蛔虫、钩虫、鞭虫感染率分别为17.8%、0.3%和12.1%,经集体服驱虫药后1~6年级的排虫率依次为36.7
To find out Kunming Iron and Steel Company primary and secondary intestinal infection of parasitic diseases. We chose a sample of 297 students from each of our primary and secondary schools using a saturated salt water floatation method. The results showed that 109 cases were infected with parasites and the infection rate was 36.7%. The infection rates of roundworm, hookworm and whipworm were 17.8%, 0.3% and 12.1% The rates of row worms from 1 to 6 were 36.7