Investigation of Intestinal Nematode Infection in Fujian Province

Objective To understand the current epidemic status of human intestinal nematode in Fujian province. Methods Cluster random sampling was used for investigation of 39 villages selected from 13 counties. Eggs of intestinal nematode were examined by improved Kato-Katz thick smear. Children infected with Enterobius vermicularis below 12 years old were examined from anus with adhesive tape. Results 20 195 sameple of feces were examined. 7 272 individuals were infected by intestinal nematode,with an infection rate of 36.01%,in which 34.39% were man and 37.53% were women.The infection rates of ascarides,hookworms, T.trichiura and E.vermicularis were 9.55%, 19.73%, 11.48% and 22.06% , respectively. The infection rate of 60-65 years old group was 48.98% , the highest in age group infection. Farmers had a higher infection rate comparing with other occupations.The infection rate of Aotou village in Taining county in the northern Fukien province was the highest,79.09%. Conclusion The overall infection rate and degree of infection of various kinds of intestinal nematode showed a downtrend in Fujian province, but showed a big variation between different areas. The infection rates of hookworms in some areas were still high. Intestinal nematode infection was still one of important public health problem in countryside area in Fujian province.