甘肃省天祝藏族自治县包虫病流行病学调查分析

本文报道天祝藏族自治县包虫病的流行情况。采用询问病史、皮内试验、间接血凝检查和ELISA试验后,凡血清学检查两项阳性者再做胸部X线摄片和腹部B超检查确诊。检查了钱宝乡461人、西大滩乡767人和柏林乡710人,其包虫感染率依次为7.6％、2.5％和2.4％;其发病率依次为3％、1.4％和1.4％。经x~2检验,柏林乡牧区与钱宝乡和西大滩乡半农半牧区的感染率有极显著性差异(x~2=26.4592,P<0.001)。而3个乡的发病率间无显著性差异(x~2=5.1693,P>0.05)。

EPIDEMIOLOGICAL SURVEY ON HYDATID DISEASE IN TIANZHU ZANG AUTONOMOUS COUNTY, GANSU PROVINCE

A survey on epidemiology of hydatid disease was conducted ia Tianzhu Zatig Autonomous County, Gansu Province. History enquiry, intradermal test, indirect hemag-glutination test and ELISA were the screening methods to be applied. Those who were postitive for 2 of the sero-diagnostic methods would experience thorax X-ray and Type B-ultrasonographic examinations to confirm the diagnosis. A township-based study showed that 35 out of 461 persons in Bailin, 19 of 767 in Qianbao and 17 of 710 in Xi-datan harboured parasites, with infection rates of 7.6%, 2.6% and 2.4% respectively, while the morbidity were 3%, 1.4% and 1.4% respectively. Statistical analysis revealed significant difference in infection rate between pastoral area of Bailin township and the semi-pastoral and semiagricultural area of Qianbo and Xidatan townships (x2 = . 264 692, P<0.001). However, there was no significant difference in the morbidity between the two sorts of foci (x2 = 5.1693, P>0.05).