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宜昌市位于湖北省西南部,是鄂西南山地向江汉平原过渡地带,境内河流纵横,辖13个县(市)区,总人口约400万。1978~1982年在9县(市)开展了大规模的人群肺吸虫病流行病学调查,证实宜昌市属斯氏狸殖吸虫重流行区[1]。1991~1997年在原部分流行区开展了调查,表明通过大面积查治后,人群
Located in the southwestern part of Hubei Province, Yichang City is a transitional area from the mountainous areas of southwestern Hubei to the Jianghan Plain. The rivers in the territory are under the control of 13 counties (cities) and the total population is about 4 million. From 1978 to 1982, epidemiological investigation of paragonimiasis was conducted in 9 counties (cities) in large scale, confirming that Yichang was a heavy endemic area of Trichogramma. From 1991 to 1997 in the original part of the epidemic area conducted a survey that showed that after a large area of investigation, the crowd