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Soh, Lee, Shin, and Kang: Incidence of Parasites in Seoul Area Based on An Examination of the Severance Hospital Out-Patients
Original Article
Yonsei Medical Journal

Yonsei Medical Journal 1961; 2(1): 31-41.

Published online: 20 February 2002

DOI: https://doi.org/10.3349/ymj.1961.2.1.31

Incidence of Parasites in Seoul Area Based on An Examination of the Severance Hospital Out-Patients

Chin-Thack Soh, Keun-Tae Lee, Eui-Woong Shin, Tae-Chul Kang

Department of Parasitology, Yonsei University Medical College, Seoul, Korea.

Copyright © 1961 The Yonsei University College of Medicine

Abstract

Of 14,682 samples of feces examined, 81.7% were positive for intestinal helminths. Trichocephalus trichiurus was observed most frequently, in 73.2%. Eight other species of helminths found were Ascaris lumbricoides, Hookworm, Trichostrongylus orientalis, Clonorchis sinensis, Tapeworm, Hymenolepis nana, Paragoniumus westermani and Enterobius vermicularis, listed in decreasing order. Double infections were found more frequently than single infections, and mixed infection of five or more species of helminths occurred in 0.2%.
Of 10,320 samples of feces examined, 22.3% were positive for intestinal protozoa, Entamoeba coli was observed most frequently, in 11.1%. Six other species, Endolimax nana, Giardia lamblia, Entamoeba histolytica, Iodamoeba butschlii, Chilomastix mesnill and lsospora hominis were found, in the order. It was noticed that E. histolytica was found more frequently in trichurial infection than with other helminths.
Of 1,050 samples of sputum from the T. B. Clinic, 7.0% were positive for paragonimus eggs.
Trichomonas vaginalis were found in 35.8%of 1,146 vaginal swabs examined.
Seven cases of Plasmodium vivax infection were found among 140 suspected blood smears.

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