宁夏儿童青少年人体寄生虫感染现状

本文报道宁夏抽查４２个点，１８岁以内儿童青少年人体寄生虫感染情况共检查９４６０人，其寄生虫总感染率为５３．１％，共查见寄生虫２０种。人群各种寄生虫感染率分别为：蛔虫３０．６％、蛲虫１８．３％、鞭虫０．４％、钩虫０．３％、粪类圆线虫０．０５％、带绦虫０．０１％、微小膜壳绦虫０．０１％、缩小膜壳绦虫０．０２％、旋毛虫１．９％、棘球蚴９．０％、溶组织内阿米巴０．０６％、哈氏内阿米巴０．３％、布氏嗜碘阿米巴０．５％、微小内蜒阿米巴０．７％、人芽囊原虫０．０６％和结肠小袋纤毛虫０．０２％。１人同时感染２、３和４种寄生虫者依次有６３８例、５７例和３例。以蛔虫、贾第虫为例进行统计学分析，城镇与农村的儿童青少年感染率间差别有非常显著意义（χ２蛔虫＝１０８．６９０８，χ２贾第虫＝２０．８７４６，其Ｐ值均＜０．０１）。

HUMAN PARASITIC INFECTIONS IN CHILDREN AND JUVENILES IN NINGXIA

An investigation on intestinal parasite infections was performed in Ningxia with a coverage of 9 460 children and juveniles. Of the intestinal parasites detected, the infection rates were: Ascaris lumbricoides 30.6%, Enterobius vermicularis 18.3%, Trichuris trichiura 0.4%,hookworm 0.3%, Strongyloides stercoralis 0.05%, Taenia sp. 0.01%, Hymenolepis nana 0.01%, Hymenolepis diminuta 0.02%, Trichinella spiralis 1.9%, Giardia lamblia 3.3% , Entamoeba histolytica 0.06%, Entamoeba hartmanni 0.3%, Entamoeba buetschlii 0.5% , Endolimax nana 0.7%, Blantocystis hominis 0.06% and Balantidium coli 0.02%. Polyparasitism occurred in 7.4% of the infected cases. Very significant differences in infection rates of A. lumbricoides and G. lamblia were revealed in children and juveniles between rural and urban areas.