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目的了解和掌握海陵区钉螺的分布现状和螺情变化规律,为制定控制钉螺策略提供参考依据。方法收集整理2007-2014年海陵区螺情资料,统计并分析影响螺情变化的原因。结果 2007-2014年全区在3个乡(镇、街道)7个村查出有螺环境18处,有螺面积7.832 4 hm2,捕获并解剖钉螺数1 715只,未发现感染性钉螺。各村自查查出有螺环境6处,有螺面积2.134 5 hm2,乡(镇)级专业队复查查出有螺环境12处,有螺面积5.697 9 hm2。5个非流行村查出有螺面积3.126 3hm2。2008、2012年和2013年复现有螺面积2.274 0 hm2。结论血吸虫病传播阻断后螺情出现回升和反复应予以重视。
Objective To understand and grasp the distribution status of snail and the variation of snails in Hailing, so as to provide a reference for the development of snail control strategy. Methods Collecting the information of the snail in Hailing District from 2007 to 2014, collecting and analyzing the reasons that affect the snail’s change. Results From 2007 to 2014, there were 18 spiraled environments with 7.832 4 hm2 snail area and 1 715 snail snails were captured and dissected in 7 villages of 3 townships (towns and streets). No infectious snails were found. The village self-examination found a snail environment 6, with a spiral area of 2.134 5 hm2, township (town) level professional team review 12 cases found snail environment, a spiral area of 5.697 9 hm2.5 non-popular village found Spiral area 3.126 3hm2.2008, 2012 and 2013, a spiral area of 2.274 0 hm2. Conclusions Schistosomiasis transmission should be paid attention to after the snail’s emergence and repetition have been blocked.