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古丈县罗依乡1974年发现少数散发肺吸虫病人。1977年6月因建水库淹没9个村,11个村寨后靠迁徙,被淹没后肺吸虫病感染及病例明显增多,水库蓄水后第二中间宿主数量增多,同时迁徙至靠近自然疫源地,造成肺吸虫病流行。1973~1986年我们以该乡为重点对淹没前后肺吸虫病流行状况作了对比.
Luo Guixiang County in 1974 found a few cases of parasitic infection of paragonimiasis patients. In June 1977, nine villages and 11 villages were inundated by the Jianshui Reservoir. After the submergence, the number of paragonimiasis infections and cases significantly increased. The number of the second intermediate host increased after the reservoir was impounded and migrated to near natural foci , Resulting in the prevalence of paragonimiasis. From 1973 to 1986, we focused on the township to compare the prevalence of paragonimiasis before and after submergence.