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目的比较中国延边朝鲜族自治州居民与韩国居民的肠道寄生虫感染状况。方法采集中国延边朝鲜族自治州汪清县居民、韩国Seomjin江流域居民、在韩国居住3~5年的外国人共8 368份粪便,采用福尔马林、乙醚沉淀法检验肠道寄生虫卵。结果中国延边朝鲜族自治州汪清县居民的肠道寄生虫阳性率为2.8%;韩国Seomjin江流域居民阳性率为15.4%;在韩国居住3~5年的外国人阳性率44.4%。中国延边朝鲜族自治州汪清县居民与韩国居民肠道寄生虫阳性率比较差异有统计学意义(χ2=1 029.3,P<0.001)。结论韩国Seomjin居民长期喜食生淡水鱼,致使居民肠道寄生虫阳性率高。
Objective To compare the intestinal parasitic infections among residents in Yanbian Korean Autonomous Prefecture and Korean residents. Methods The residents of Wangqing County, Yanbian Korean Autonomous Prefecture, residents of South Korea’s Seomjin River valley, and 8368 foreigners living in Korea for 3 ~ 5 years were enrolled in this study. The intestinal parasite eggs were tested by formalin and ether precipitation method. Results The positive rate of intestinal parasites was 2.8% in Wangqing County, Yanbian Korean Autonomous Prefecture. The positive rate was 15.4% in South Korea’s Seomjin River and 44.4% in South Korea. There was significant difference in the positive rate of intestinal parasites among residents of Wangqing County and Korean residents in Yanbian Korean Autonomous Prefecture (χ2 = 1029.3, P <0.001). Conclusion Long-term residents of Seomjin, Korea, eat raw freshwater fish, resulting in a high prevalence of intestinal parasites in their residents.