论文部分内容阅读
[目的]观察血吸虫尾蚴漂移流经水域水体感染性,为预防控制血吸虫病感染提供科学依据。[方法]2001～2007年,在通江的便民河距江口不同距离的位置投放哨鼠观察血吸虫尾蚴感染情况。[结果]在通江口有血吸虫感染性钉螺情况下,在距通江口3.8和6.6km处可检测到哨鼠感染,距江口越远哨鼠血虫感染率呈变低趋势。在通江口无血吸虫感染性钉螺情况下,河道各段未见哨鼠感染血吸虫。[结论]在河道尾蚴随流水漂移可致下游3.8～6.6km处哨鼠感染,通过治理通江河口上游江滩感染性钉螺可有效控制下游水域血吸虫感染。
[Objective] To observe the water infectivity of cercariae of Schistosoma japonicum migrating through the water and provide a scientific basis for the prevention and control of schistosomiasis infection. [Method] From 2001 to 2007, the infected Schistosoma japonicum cercariae was administered to rats at different distances from the estuary of the Min River in Tongjiang River. [Result] In the case of snails infected with schistosomiasis at the mouth of the river, the infection rate of semen was detectable at 3.8 and 6.6 km from the mouth of the river mouth. In the mouth of the river without schistosome infection of snails case, the river section of the semen did not infected with schistosomiasis. [Conclusion] The cercariae of the river could be infected by the migratory water of 3.8 ~ 6.6km downstream of the cercariae, and the infection of snails in the upper reaches of the Tongjiang estuary could effectively control the schistosome infection in the downstream waters.