Korean J Parasitol.  2006 Sep;44(3):265-268. 10.3347/kjp.2006.44.3.265.

Status of intestinal helminthic infections of borderline residents in North Korea

  • 1Department of Parasitology and Tropical Medicine, and Institute of Endemic Diseases, Seoul National University College of Medicine, Seoul 110-799, Korea. hst@snu.ac.kr
  • 2Department of Korean Language Education, Seoul National University College of Education, Seoul 151-742, Korea.
  • 3Department of Parasitology, Yanbian University College of Medicine, Yanbian, China.


The present authors investigated intestinal parasitic infections among North Korean residents and refugees in China in 2003. The Kato-Katz method was applied to 236 residents and soldiers in a town on the North Korea-China border and to 46 people at a refugee camp in China. Only eggs of Ascaris and Trichuris were detected, with egg positive rates of 41.1% and 37.6%, respectively. The total egg positive rate was 55.0% and most of those who were egg positive were only lightly infected. Women of 61.2% and men of 53.1% were egg positive. The refugees from rural areas showed higher egg positive rates than those from urban areas. The present investigation confirmed high prevalence of soil-transmitted intestinal helminths in rural borderline areas of North Korea.


Ascaris; Trichuris; egg positive rate; refugee; North Korea
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