Monitoring results of soil-transmitted nematodiasis in national surveillance site of Huaiyang County in Henan Province, 2006-2015

Zhongguo xue xi chong bing fang zhi za zhi = Chinese journal of schistosomiasis control
Chen Wei-QiZhang Hong-Wei

Abstract

To understand the epidemic situation of soil-transmitted nematodiasis in the national surveillance site in Henan Province. Over 1 000 fecal samples from inhabitants in Huaiyang County of Henan Province, which was a national surveillance site, were collected each year from 2006 to 2015, the eggs of soil-transmitted nematodes and other intestinal helminths were examined by Kato-Kats technique. The cellophane swab method was used to detect Enterobius vermicularis eggs in children aged 3 to 12 years. In addition, the soil samples were collected from vegetable fields, lavatories, courtyards and kitchens of 10 families randomly selected in each year to examine Ascaris eggs by a modified saturated sodium nitrate floatation method. From 2006 to 2015, 10 419 persons were investigated, and the eggs of five species of intestinal helminths, Ascaris lumbricoides, Trichuris trichiura, hookworm, E. vermicularis, and Trichostrongylus orientalis, were detected, The average infection rate of soil-transmitted nematodes in residents in Huaiyang County was 3.69%. The intensity of infection was mild and a family clustering was obvious. Both the infection rates of E. vermicularis in children and soil-transmitted nematodes in villagers had no signific...Continue Reading

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