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KMID : 0378019730160120093
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New Medical Journal
1973 Volume.16 No. 12 p.93 ~ p.100
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An Epidemiological Studies in the Outbreak of Vibrio Parahaemolyticus Food Poisoning
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Abstract
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An epidemiological survey on vibrio parahaemolyticus food poisoning was done with the 278 cases occurred in An-Dong area, Kyung Buk, in July 1969.
The results were as follows.
1. The most predominant age group among the food poisoning patients were the adult gorup between the ages of 30 and 59 years old which constitutes 55.8% of the total cases. However, it is interesting to notice the fact that considerable number of patients were under the age of 20.
2. The 167 cases (60.5%) out of 278 cases occurred among the farmers. It appears that food poisoning has no relationship with the patients occupation in this incidence, but the fact that the patients took part in some kind of village parties eating contaminated fish the with vibrio parahaemolyticus appears the epidemic mode.
3. The contaminated vibrio parahaemolyticus organisms grow and multiply o the marine fish and shell fish during transfer from the seaport to the whole sale market, and to the retailes during summer season. In the view of the health administration, marine fish and shell fish must be keep in the refrigerator during summer season, and health education must be emphasized to prevent from consuming raw fish in the community.
4. The exprosive food poisoning was caused by the follows: it is a custom for. the people to eat raw fish in this community. The causative fish was cheap. The fish was distributed at once in this community.
5. Regarding incubation period, it was from 4 to 16 hours.
6. After removing the causative fish, the explosive food poisoning was not followed by secondary infection.
7. The major symptom of the patients were vomitting, diarrhea, abdominal pain and mild fever. Blood pressure was lower moderately in all cases.
8. Usually, most of the patients recovered from the disease treatment for 2 to 3 days.
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