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为了进一步探讨洲垸型疫区血吸虫病流行因素及防制对策，我们于１９８７～１９９２年选择汉寿县丁家拐村进行了观察。１内容与方法１． １人群病情调查 １９８７～１９９２年，每年５月对了家拐村３～６５岁居民逐人建立流行病学调查卡，进行询检、粪检普查。粪检采用１送３检
In order to further explore the endemic factors and control strategies of schistosomiasis in the embankment-type endemic areas, we selected Dingjiajian Village of Hanshou County from 1987 to 1992 for observation. 1 content and method 1. 1 crowd disease survey From 1987 to 1992, each year in May on the village of Aksuhime 3 to 65 residents to establish an epidemiological survey card by one person, for interrogation, census census. Seizure using 1 sent 3 seized