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１９８６－１９８８年和１９９０－１９９２年分别在本市董永区和官元区，以反复查治病原方法防治华支睾吸虫病，并对中间宿主及保虫宿主进行调查。经两次查治后，人群华支睾感染率董永区从４３．６％降为１３．２％，官元区从７８．５％降为３６．３％。当地第一中间宿主是长角涵螺，第二中间宿主是鲸鱼和鳊鱼。在猫粪便中发现华支睾吸虫虫卵，在狗和猪胆管内均发现华支睾吸虫卵及成虫。
From 1986 to 1988 and from 1990 to 1992, respectively, Dongyong District and Guanyuan District, respectively, in order to prevent and treat Clonorchis sinensis by repeated pathogen detection methods, and to investigate the intermediate host and host. After two investigations, the prevalence of CNBC in Dong-Yong district dropped from 43.6% to 13.2%, while that in Guanyuan District dropped from 78.5% to 36.3%. The first intermediate host in the area is Halophilus, and the second intermediate host is whale and anchovy. Clonorchis sinensis eggs were found in cat droppings, and Clonorchis sinensis eggs and adults were found in dogs and pigs.