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血吸虫病传播途径具有中间宿主与终宿主而达到周而复始的循环。依据其流行病学特征，我们选择适合湖区垸内水网型地区的血吸虫病防治新技术［1］，综合制订优化对策方案，以期达到控制疾病流行的目的。现将不同措施影响感染性钉螺变化的比较观察结果报告如下：1实验方法本项研
Schistosomiasis transmission with intermediate host and the final host to achieve a cycle of the cycle. According to its epidemiological characteristics, we choose a new technology for prevention and control of schistosomiasis in the water network of embankment in the embankment [1], and formulate an optimized strategy to achieve the purpose of controlling the epidemic. Now different measures affect the infection snail changes in the comparison of the results reported as follows: 1 experimental method of the study