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KMID : 0377619730250020189
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Korean Jungang Medical Journal
1973 Volume.25 No. 2 p.189 ~ p.200
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Epidemiological Study of Typhoid Fever in the Kim-Chun and Kum-Rung Areas, 1971-1972
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Abstract
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In Korea typhoid fever is the most prevalent disease in incidence among the acute infectious diseases in the first category.
An epidemiological study was conducted by the author on 99 officially reported patients with typhoid fever during the period from January, 1971 to the end of 1972 in the Kim-Chun and Kum-Rung areas of Kyung-Book Province.
Especially a survey was made at Jer-Pyung villiage to understand large scale -typhoid epidemics occurring a rural area.
As the result of this study, the following conclusions were obtained:
I . Incidence distribution of typhoid fever in the Kim-Chun and Kum-Rung areas: 1. The incidence rate was 35. 6 per 100, 000 population or 69 patients in 1971, and 15. 5 per 100, 000 population or 30 patients in 1972.
2. Most of cases (73.7%) were diagnosed serologically.
3. Sex distribution showed 45 (23. 1 per 100, 000 population) male and 54(27.9 per 100, 000 population) female cases.
4. The high incidence was in the age group of 15-39.
5. The high epidemic period annually was from June to September.
6. By location, 68.8 patients appeared at Kunh-Run; and 31 at-Kim-Chun. Jetpyung villiage at Kum-Rung was Only district with 13 a large outbreak period was 13.3 days. Duration from onset to hospitalization was 7.1 8. Most of all patients (64-65´10 were isolated in the Kim-Chun provincial ofpatients in the first half of 1971.
7. The mean of the interval from onset to diagnosis was 3.4 days and recovery.period was 13.3 days. Duration from onset to hospialization was 7.1 days.
8.Most of all patients (64.6%) were isolated in the Kim-Chun Provincial Hospital.
Hospital. H. Outbreak factors of typhoid fever at Jet-Pyung villiage:
1. Typhoid fever occured at 30 homes (69.8%) out of 43.
2. Forty-three persons out of a population of 271 were infected b typhoid´ fever, showing 15,867 per 100, 000 population as attack rate. Among them, persons died, showing 4.7% as fatality rate.
3. A large outbreak at Jer-Pyung villiage presumed the result of direct contact with patients and contaminated food and water. The unsanitary wells, covering of patients and ignorance about public health helped to increase, the number of patients.
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KEYWORD
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