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目的 评估血防新策略在血吸虫病传播控制中的作用,为实施血防“十三五”规划提供依据。方法 收集2005-2016年血吸虫病防治资料及疫情资料,分析和评估血防新策略在鄱阳湖区血吸虫病传播控制中的作用。结果鄱阳湖区实施血防新策略11年后,全区域13个血吸虫病流行县实现传播控制目标。2016年,区域内血吸虫病人数和人群感染率分别为10 301人和0.03%,较2005年下降了89.64%和99.45%,急性血吸虫感染病例和渔船民感染率明显下降;存栏耕牛数和病牛数分别为68 152头和5头,较2005年下降了50.84%和99.83%。活螺平均密度下降了61.52%,2014年以后连续3年未查到感染性钉螺。结论 血防新策略精准定位了血吸虫病传播链的关键点和靶点,控制了人畜粪便虫卵污染草洲,切断了传播链,降低了鄱阳湖区人畜感染率和再感染风险,推动鄱阳湖区实现血吸虫病传播控制目标。
Objective To evaluate the role of new blood-borne anti-schistosomiasis control in the transmission control of schistosomiasis and provide evidence for the implementation of the Thirteenth Five-Year Plan. Methods The data of prevention and treatment of schistosomiasis from 2005 to 2016 and epidemic situation data were collected to analyze and evaluate the role of new blood-borne anti-schistosomiasis control strategy in schistosomiasis control in Poyang Lake. Results Eleven years after implementation of the new strategy of blood-borne disease prevention in Poyang Lake area, 13 schistosomiasis endemic counties throughout the region have achieved the goal of transmission control. In 2016, the number of schistosomiasis patients and the population infection rate in the region were 10 301 and 0.03%, respectively, down 89.64% and 99.45% respectively compared with that in 2005. The infection rate of acute schistosomiasis cases and fishing boat people decreased significantly. The number of cattle population and disease The number of cattle was 68,152 and 5 respectively, a decrease of 50.84% and 99.83% over 2005 respectively. The mean density of live snails decreased by 61.52%. After 2014, no infectious snails were detected for three consecutive years. Conclusion The new strategy of blood-borne anti-tumor strategy precisely locates the key points and targets of the transmission chain of schistosomiasis, controls the egg pollution of human and animal feces, controls the transmission chain, reduces the infection rate of human and livestock and the risk of re-infection in Poyang Lake, Disease transmission control objectives.