青海土族、撒拉族人群寄生虫感染情况的调查

本文报道我国少数民族之一的土族、撒拉族各一个点的人体寄生虫感染情况。检查土族552人,其中寄生虫感染者326例,其感染率为59.1％。查见寄生虫11种:蠕虫5种,原虫6种。蛔虫、鞭虫、毛圆线虫、结肠内阿米巴、微小内蜒阿米巴、布氏嗜碘阿米巴、哈氏内阿米巴、贾第虫、人酵母菌和猪带绦虫的感染率依次为51.3％、0.5％、0.7％、11.4％、2％、0.4％0.2％、2％、2.4％和0.2％。12岁以下儿童烧虫感染率为11.3％。检查撒拉族509人,其中寄生虫感者374例,其感染率为73.5％。查见寄生虫11种:蠕虫3种,原虫8种。蛔虫、牛带绦虫结肠内阿米巴、微小内蜒阿米巴、布氏嗜碘阿米巴、哈氏内阿米巴、贾第虫、结肠小袋纤毛虫、人毛滴虫和人酵母菌的感染率依次为43.6％、0.8％、21％、13.8％、4.5％、3.5％、15.9％、0.2％、2％和19.4％。12岁以下儿童的烧虫感染率为6.6％。

A SURVEY OF HUMAN PARASITES IN TU AND SALA MINORITIES IN QINGHAI

This paper reported on an investigation of human parasites conducted in Til and Sala minorities in Qinghai. Stool examination was performed on 552 Tus in a pilot area, a record of 326 positive number with an infection rate of 59.1% was presented. The detected parasites were composed of 5 species of helminths and 6 species of protozoa. The infection rates for Ascaris lumbricoides, Trichuris trichittra, Trichostrongy-lus, Eniamoeba coli, Entdolimax nana, lodamoeba buetschlii, Entamoeba hartmanni, Giardia lamblia, Blastocystis hominis and Taenia solium were 51.3%, 0.5%, 0.7%, 11.4%, 2%, 0.4%, 0.2%, 2%, 2.4% and 0.2%, respectively. The infection rate of Enterobius vermicularis in children below 12 years of age was 11.3%. In another site, 374 of 509 persons of Salas minority harboured parasites comprising 3 species of helminths and 8 species of protozoa. The infection rates of A. lumbricoides, Taenia sagi-nata, E. coli, E. nana, I. buetschlii, E. hartmanni, G. lamblia, Balantidium coli, Trichomonas intestinalis and B. hominis were respectively 43.6%,0.8%,21%, 13.8%, 4.6%, 3.6%, 16.9%, 0.2%, 2%, and 19.4%. The infection rate of E. vermicularis in children younger than 12 years old was 6.6%.