【摘要】 本文按世界银行贷款中国控制血吸虫病方案对高、中、低度流行村的人、牛，在１９９１～１９９２年经两次大规模化疗后，人、牛感染率与１９８９年相比分别下降４０．７２％和１３．７６％。其中高、中、低度率除高度流行村下降４８．４６％外，中、低度流行村不但无下降，流行村人群感染率分别下降４７．６５％、２４．２２％和１３．６０％。牛的感染率反而分别上升２０．８３％和５５．２９％。更多还原

【Abstract】 Awide-scale chemotherapy was carride out twice in the infected villages of Schistosomiasis japonica in 1991～1992 according to the Chinese Control Schistosomiasis Project of WHo/World Bank loan,The results showed that infected rate of man and cattle was reduced by 40.72%and 13.76% respectively,compared with that of 1989.Population infection Rate of high epidemic villages was decreased by 47.65%,middle epidemic villages by 24.22%and low epidemic villages by 13.60.Infection rate of cattle was not decreased,but increased,except high epidemic villages Reduced by 48.46%,Infection rate of middle epidemic villages was increased by 20.83%,low epidemic villages by 55.29%。更多还原