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Korean J Parasitol > Volume 18(2):1980 > Article

Original Article
Korean J Parasitol. 1980 Dec;18(2):229-234. English.
Published online Mar 20, 1994.  http://dx.doi.org/10.3347/kjp.1980.18.2.229
Copyright © 1980 by The Korean Society for Parasitology
Epidemiological study of Paragonimus westermani in Wiseong County, Kyungpook Province, Korea
Dong Wik Choi and Jae Taeck Hwang
Department of Parasitology, Kyongpook National University, School of Medicine, Taegu, Korea.
Abstract

This survey was undertaken to determine the recent prevalence of lung fluke, Paragonimus westermani, in the three localities of Wiseong county, Kyungpook Province, Korea and to compare the prevalence among the residents in the same areas between 1924 and 1980. The three localities, Ku-seong, Sam-chun, and Um-ji villages (dong) have been known as the endemic areas of Paragonimus westermani.

The surveys were made on the general population. They were examined using intradermal test with Paragonimus westermani antigen, and the diagnosis of paragonimiasis was made depending on the positive intradermal reaction. The sputum examination could not be performed beacause the residents were inaccessible.

The prevalence of Paragonimus westermani among the residents in the three communities varied from 1.4 percent to 7.9 per cent, with an average of 4.0 per cent. Whereas, the average reported by Ichinomiya in 1924 was 4.7 percent. There are no significant differences in the sex and age specific rates of infection between 1924 and 1980.

With the abundant density of Semisulcospira snails and crayfish in Sam-chun stream and the high rate of infection with Paragonimus westermani among the residents in the village, it is found that Sam-chun village, one of the three localitied in Wiseong county, where Ichinomiya (1924) surveyed, was still the endemic focus of Paragonimus westermani.

Figures


Fig. 1
Surveyed areas in Wiseong county, Kyungpook Province.

Tables


Table 1
General populations and number tested at three villages in Wiseong county, Kyungpook Province, Korea (1980)


Table 2
Distribution of Semisulcospira snails and Astacus crayfish in three endemic foci of Paragonimus westermani in Wiseong county (1980)


Table 3
Demonstration of Paragonimus metacercaria from crayfish in surveyed areas in Wiseong county (1980)


Table 4
Prevalence of Paragonimus westermani by sex and age among residents in 1980, revealed by intradermal test


Table 5
Comparison of prevalence of paragonimiasis among residents by locality in 1924 and 1980


Table 6
The reported prevalences of paragonimiasis in Wi-seong county, Kyungpook Province, Korea

References
1. Ichinomiya K. Mansen Med J 1924;37:17–32.
2. Ichinomiya K. Mansen Med J 1924;38:17–28.
3. Kim YM, et al. Kyungpook Univ Med J 1974;15:165–174.
4. Kim JH, et al. Kyungpook Univ Med J 1977;18:166–171.
5. Lee DM, et al. New Med J 1979;22:1179–1182.
6. Miyairi K. Jikken Iho 1917;2:22.
7. Miyazzaki I. Disease 1961;5:953–962.
8. Park CM. Yonsei medical journal 1962;3:85–92.
9. Park SD, et al. Kyungpook Univ Med J 1974;15:117–127.
10. Shon YW, Choi DW. Endemic foci of Paragonimus westermani in Chilgok, Kyungpook Province, Korea. Korean J Parasitol 1977;15(2):133–138.
 
11. Yokogawa M, et al. Jpn J Parasit 1955;4:276–287.
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