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为探讨洲滩地区控制血吸虫病的防治对策，1992～1995年选择两个相似的外滩以不同防治对策进行了现场观察，结果在实施人畜扩大化疗＋健康教育＋滩地治理防治的洲滩，人、畜感染率，感染螺密度及钉螺感染率分别下降93．1％、72．6％、66．7％和77．3％，而实施人畜化疗＋易感地带灭螺防治的洲滩人畜感染率分别下降25．0％、18．6％，感染螺密度及钉螺感染率上升12．5％和19．4％；人群感染率每下降1％所需的实际费用，前者高于后者，但相对效果前者为0．64元优于后者0元．
In order to explore the control measures of schistosomiasis control in Chaotanzhou area, two similar researches on the Bund from 1992 to 1995 were conducted on the spot with different control measures. As a result, in the implementation of expansion of human and animal husbandry, health education, Infection rates of infected animals, infected snails and infection rates of snails decreased by 93.1%, 72.6%, 66.7% and 77.3%, respectively. However, Decreased by 25.0% and 18.6% respectively. The infection density and snail infection rate increased by 12.5% and 19.4% respectively. The actual cost for each 1% drop in the infection rate of the population was higher than the former, but the former was higher than the latter The relative effect of the former is 0.64 yuan better than the latter 0 yuan.