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目的探索湖沼型垸内亚型疫区的垸内钉螺控制对策。方法收集汉寿县血吸虫病流行及防治档案资料,对2004~2015年汉寿县垸内钉螺指标变化、垸内钉螺控制的主要措施及效果进行评价。结果汉寿县垸内钉螺面积由2004年的99.64hm~2减少到2015年的0.87hm~2,下降幅度达99.1%;活螺平均密度由2004年的0.15只/0.11m~2下降至2015年的0.03只/0.11m~2;感染性钉螺处数与面积显著下降,2006~2015年未查获感染性钉螺。结论在药物灭螺的基础上,针对垸内钉螺采取水改旱、养殖灭螺、沟渠硬化、国土平整、涵闸改造、小环境治理等措施,对控制并消灭垸内钉螺有显著性作用。为实现消除血吸虫病目标,各级政府应继续加大血吸虫病综合治理项目经费的投入。
Objective To explore the snail control strategy in the embankment of sub-embankment in lakes and marshes. Methods The epidemic situation of schistosomiasis in Hanshou County was collected and the data of prevention and cure were collected. The changes of snail index in Hanzhou County from 2004 to 2015 and the main measures and effects of snail control in embankment were evaluated. Results The area of snails in Hanzhu County decreased from 99.64 hm ~ 2 in 2004 to 0.87 hm ~ 2 in 2015, down by 99.1%. The average density of live snails dropped from 0.15 /0.11 m ~ 2 in 2015 to 2015 Year 0.03 /0.11m ~ 2; Infectious snail number and area significantly decreased from 2006 to 2015 did not seized infectious snails. Conclusions On the basis of drug snail control, measures such as changing water to dry snails, snail breeding, ditch hardening, flat land formation, culvert rehabilitation and small environment control are taken for the control of snail in embankment. In order to achieve the goal of eliminating schistosomiasis, governments at all levels should continue to increase funding for the project for comprehensive treatment of schistosomiasis.