The risk of Schistosomiasisin infection in the Dongting Lake Area based on interaction between people and infected water
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摘要: 目的 定量评价洞庭湖区血吸虫病感染风险。方法 收集洞庭湖区血吸虫病防治工作最新统计资料。采用系统动力学方法和GIS空间技术,以人水相互作用机理为主线,计算湖区血吸虫病综合感染风险程度。结果 疫水扩散和涉水活动与区域血吸虫病疫情相关,且经济社会因素在人水相互作用机理中发挥着越来越重要的作用;在空间分析中,人类行为和疫水扩散两类风险在综合风险评价中所占权重分别为0.59和0.41,湖区有15个地区综合感染风险位于60%~80%的峰值区内。结论 洞庭湖区血吸虫病综合感染风险程度存在峰值区,这些区域是血防工作的重点地区,应加强以社会措施为主导的防治工作。Abstract: Objective To quantitatively evaluate the risk of schistosomiasis infection in Dongting Lake Area. Methods Latest data of schistosomiasis control work in Dongting Lake Area were collected. Based on Interaction between people and infected water, the comprehensive infected risk was calculated by SD and GIS. Results Both Infected water diffusion and Wading activities were significantly correlated with Schistosomiasis infection. The economic and social factors factors played a more important role than the hydrologic condition. The spatial analysis showed that weight of two different risk were 0.59 and 0.41 respectively. The comprehensive infected risks of 15 regions in Dongting Lake Area were between 60% and 80%. Conclusions When the comprehensive infected risks were calculated, peak areas were divided in Dongting Lake Area. Social-dominated control works should be strengthened in these key areas.
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Key words:
- Schistosomiasis /
- Infection /
- Epidemiologic studies
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