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目的评价云南省洱源县节水灌溉血防工程控制血吸虫病效果。方法调查云南省洱源县节水灌溉血防工程实施前后螺情,收集并分析工程所在村螺情和人群血吸虫病病情指标。结果洱源县节水灌溉工程区有螺框出现率由改造前的10.70%下降至改造后的2.27%,钉螺密度由0.42只/0.1 m2下降到0.10只/0.1 m2,57%的沟渠消灭了钉螺。2009年工程所在村钉螺面积较2005年下降了49.18%,人群血吸虫感染率下降了99.38%。结论节水灌溉工程是消灭钉螺、控制血吸虫病的有效措施,具有良好的社会和经济效益。
Objective To evaluate the effect of schistosomiasis control by water-saving irrigation project in Eryuan County, Yunnan Province. Methods The investigation of spirits before and after implementation of water-saving irrigation prevention project in Eryuan County, Yunnan Province, was conducted to collect and analyze the indicators of disease and schistosomiasis prevalence in villages where the project was located. Results The occurrence rate of snail box in Eryuan water-saving irrigation project area decreased from 10.70% before transformation to 2.27% after transformation, and the density of snail decreased from 0.42 /0.1 m2 to 0.10 /0.1 m2, and 57% of the ditches were eliminated Snails. In 2009, the area of snails in the village where the project was located dropped by 49.18% compared with that in 2005, and the infection rate of the population decreased by 99.38%. Conclusion The water-saving irrigation project is an effective measure to eliminate snails and control schistosomiasis, and has good social and economic benefits.