结论环改工程是消灭钉螺、阻断传播的一种长效灭螺措施。
Conclusion the environmental modification project is one of measures that can effectively control snail and interrupt the transmission of schistosomiasis in endemic area.
氯硝柳胺是WHO唯一保留推荐使用的灭螺药，广泛用于杀灭钉螺预防血吸虫病，同时氯硝柳胺还是一种良好的驱除绦虫的药物。
Niclosamide was the only WHO recommended molluscacide, and was widely used to kill oncomelania to prevent and cure of snail fever.
在灭螺方面，高效低毒的化学灭螺药在继续筛选中，生物灭螺和无害化钉螺的研究进展值得关注。
In addition, molluscicides with high efficacy and low toxicity are under investigation while the studies on biomolluscicides and harmless snails deserve more attention.
目的掌握河道型血吸虫病流行区钉螺孳生地的环境特点，提供最优的灭螺措施。
Objective To investigate the environmental characteristics of habitats in river - beach type endemic areas, and explore the optimal measures for eradicating the intermediate host snails.
结论在人工灌区的引水干渠内，常规药物灭螺在预防人群感染方面可能起一定作用，但对年度钉螺及感染性钉螺螺口消长的作用有限。
Objective To learn the impact of the routine snail control with niclosamide on the population of snails and infected snails in the main channel in the man-made irrigation area.
结论兴建防螺扩散设施，阻断钉螺扩散途径，形成单元性强的灭螺小区进行治理是垸内水网型血吸虫病流行区控制钉螺减少发病的有效对策和措施。
Conclusion Setting up the installation obstracted snails to cut off the way of snails spreading was the effective measure of control schistosomiasis in lake-swamp areas.
结论兴建防螺扩散设施，阻断钉螺扩散途径，形成单元性强的灭螺小区进行治理是垸内水网型血吸虫病流行区控制钉螺减少发病的有效对策和措施。
Conclusion Setting up the installation obstracted snails to cut off the way of snails spreading was the effective measure of control schistosomiasis in lake-swamp areas.
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