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目的了解南水北调中线引江济汉水利工程对血吸虫病流行的影响,为制定防治对策提供依据。方法制定统一的调查方案,2007年调查工程区内的荆州、沙洋、潜江3个县(市、区)的血吸虫病疫情。结果2007年工程区域内现有钉螺面积48.54 hm2,慢性血吸虫病人251例。结论工程区钉螺面积、钉螺密度逐年下降。工程区存在着血吸虫病流行的潜在威胁。
Objective To understand the impact of water diversion from the Middle Route of South-to-North Water Diversion Project on the prevalence of schistosomiasis and provide basis for prevention and control measures. Methods A unified investigation plan was formulated. In 2007, the epidemic situation of schistosomiasis in three counties (cities and districts) of Jingzhou, Shayang and Qianjiang in the project area was investigated. Results In 2007, the area of existing snails was 48.54 hm2, and 251 patients were infected with chronic schistosomiasis. Conclusion The snail area and snail density in the project area decreased year by year. There is a potential threat to the epidemic of schistosomiasis in the project area.