内蒙古牧区肠道寄生虫感染情况的调查

COMMON INTESTINAL PARASITE INFECTIONS IN PASTORAL AREAS,NEI MONGOL

在锡盟白旗乌宁巴图乡,按全国人体寄生虫分布调查实施细则的要求和方法,对505人进行1次粪检。其寄生虫感染率为21.4％。共查见寄生虫7种。各种寄生虫的感染率分别为蛔虫5.5％、鞭虫2.2％、钩虫0.8％、蛲虫1％、绦虫1例、结肠内阿米巴10.1％和溶组织内阿米巴1.6％。不同年龄组感染率间有显著性差异,以15—19岁年龄组的感染率为最高(39.5％)。不同性别、民族的感染率间,经x^2检验,无显著性差异。170名儿童中,蛲虫感染率为22.9％。不同年龄组、不同性别和民族的蛲虫感染率间经x^2检验,无显著性差异。此外,对2岁以上485人进行卡松尼皮内试验,未查见阳性者。

A survey of intestinal parasites was conducted by faecal examination in 606 individuals in Wuningbatu township of Ximengbaiqi. The overall infection rate (excluding peri-anal swab for 170 children) was 21.4%. Seven species of parasites were detected, namely: Ascarts (6.6%), Trichuris trichiura (2.2%), hookworm (0.8%), Enterobius vermicularis (1%), Entantoeba coli (10.1%), and Entamoebahistolytica (1.6%), while taenia was only detected from one person. The age group 16-19 years showed the highest infection rate (39.5%). The difference in infection rate between different age groups was significant (P<0.05), while that between sexes and nationalities was not so (P>0.06).Using anal swabs, the pin worm infection rate was 22.9% in 170 children under 16 years of age and that for 6-9 years reached 35.7%. No significant difference in infection rate between different ages, sexes and nationalities was found.None of the 485 children above 2 years of age showed a positive reaction in the Casoni's intradermal test.