云南省洱源县节水灌溉工程控制血吸虫病效果

目的 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 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 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 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。

Effect of water-saving irrigation engineering on schistosomiasis control in Eryuan County of Yunnan Province

Objective To evaluate the effect of a water?saving irrigation project on schistosomiasis control. Methods The Oncomelania snail situation before and after the water?saving irrigation project was investigated，and the data of snails and schisto? somiasis of people in the area of the water?saving irrigation engineering were collected and analyzed statistically. Results The in? cidence of frames with snails declined from 10.70% to 2.27% after actualized water?saving irrigation project，and the snail density declined from 0.42 snails/0.1 m2 to 0.10 snails/0.1 m2 . The snails were eliminated in 57% of the ditches. The snail area and schisto? some infection rate of residents declined obviously. Conclusion The water?saving irrigation project is effective in schistosomiasis control and has good social and economic benefits.