从热带和亚热带国家输入朝鲜的寄生虫病正在日益增多,从而成为一个新的卫生问题。已报告的有疟疾、利什曼病、血吸虫病、血管圆线虫病、包虫病和舌虫病。本文报告了2例居于汉城的异形吸虫病患者。弟38岁,兄40岁,分别于1979～1983年和1980～1984年在沙特阿拉伯工作过,期间有食生鱼(如鲻鱼)史,回朝鲜后均出现腹泻、腹痛及其它肠胃道症状。粪检分别查到异形吸虫卵和 Parasitic diseases imported into North Korea from tropical and sub-tropical countries are increasing, thus becoming a new health problem. Malaria, leishmaniasis, schistosomiasis, angiostrongooses, echinococcosis and tongue-twitches have been reported. This article reports 2 cases of heteromorphic trichomoniasis in Seoul. Younger brother 38 years old, brother 40 years old, worked in Saudi Arabia in 1979-1983 and 1980-1984, respectively, during which there was a history of raw fish (such as catfish), diarrhea, abdominal pain and other gastrointestinal symptoms . Fecal seizures were found abnormal shaped eggs and eggs