河南省人群肠道线虫感染情况

DISTRIBUTION OF IMPORTANT INTESTINAL NEMATODES IN POPULATION IN HENAN PROVINCE

本文报告本省人群的肠道线虫感染情况。按全国人体寄生虫分布调查实施细则的要求与方法，对本省３９个县、市１６４个点的人群进行调查。共检查８５５５５人，查见线虫感染者４８１３４例，其感染率为５６．３％。查见线虫７种，人群各种线虫的感染率分别为蛔虫４１．４％、钩虫２０．７％、鞭虫８．２％、东方毛圆线虫０．０１％、粪类圆线虫０．０３％和节结线虫１例。男、女人群的蛔虫、鞭虫及钩虫的感染率依次为３６．３％和４３．４％、８．１％和８．４％、２１．８％和１９．５％。蛔虫和钩虫为本省肠道线虫的重点虫种。１５岁以下的儿童、少年是蛔虫感染的重点人群，１６岁以上者是钩虫感染的重点人群。

According to the procedures and methodology stipulated in the Nationwide Survey of Human Parasite Distribution, an investigation on intestinal nematode infections was conduc ted in Henan Province. Of the people examined in 164 pilot sites, 48134(56.3%) were found to be parasitized by intestinal nematodes. The respective infection rate for different species was recorded as: Ascaris lumbricoides 41.4%, hookworm 20.7%, Trichuris trichiura 8.2%, Trichostrongylus orientalis 0.01%, Strongyloides stercoralis 0.03%, a case of Oesophagostomum sp. infection. As a whole, ascarid and hookworm were the essential species contribu ting to intestinal helminthic parasitoses in Henan; the former mostly affected younger population below 15 years old; while the latter, predominantly parasitized in those above 16 years of age.