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JPMPH : Journal of Preventive Medicine and Public Health

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2 "Cattle"
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Original Article
Cause of Enterohemorrhagic Escherichia coli Infection in Ulju County, Korea.
Geun Ryang Bae, Sang Won Lee, Byung Guk Yang, Bok Kwon Lee, Jae Gu Park, Byeong Hun Hwang, Hyun Sul Lim
Korean J Prev Med. 2003;36(1):77-84.
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AbstractAbstract PDF
OBJECTIVES
Two related cases of Hemolytic-Uremic Syndrome (HUS) were reported to the Korea National Institute of Health in May, 2001. Shiga toxin 2 genes were detected in both stool samples. We suspected an enterohemorrhagic Escherichia coli (EHEC) infection as the cause of the HUS, and conducted an investigation to find the source of the infection and its route of transmission. METHODS: We performed case investigations on these two related HUS cases, and obtained interviews and rectal swabs form the family members and other close contacts. Additionally, we performed rectal swabs on the cattle raised by the household of the index patient. RESULTS: We found a 20 month old index patient and a 6 year-old cousin had developed HUS, where there had been a 2 day history of contact with the index, and bacteriological examinations for these two patients revealed, indistinguishably, the same E. coli O171. The grandmother of the index patient was found to be asymptomatic, but E. coli O26 was isolated. We also found a probable case in the mother of the cousin. She reported a history of contact with the index, and developed bloody diarrhea of 3 days duration. The test results for the cattle revealed E. coli O26 in one cow, and E. coli O26 and O55 in another. E. coli O26, which was isolated in both cows and the grandmother of the index, were indistinguishably the same. CONCLUSIONS: We found that the E. coli O26 in the grandmother had originated from the cows, and that the E. coli O171 found in the index patient had been transmitted to the cousin through person-to-person contact.
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English Abstract
Investigation of a Series of Brucellosis Cases in Gyeongsangbuk-do during 2003-2004.
Hyun Sul Lim, Young Sun Min, Hwan Seok Lee
J Prev Med Public Health. 2005;38(4):482-488.
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  • 41 Download
AbstractAbstract PDF
OBJECTIVES
We conducted an investigation on 14 cases of brucellosis in Gyeongsangbuk-do during 2003-2004 to understand the source of infection and the transmission routes of brucellosis. METHODS: The authors visited the each of the health centers and we examined the patients, their written epidemiologic questionnaire and the occurrence of bovine brucellosis. We visited the patients' living and work areas, and we examined their occupations, the date they developed symptoms, the progress of their symptoms, whether or not they were treated, their current status, whether or not they consumed raw milk and raw meat, and if their work was related to cattle breeding and the related details. We reviewed the results of the blood tests and medical records and we examined the cattle's barn. RESULTS: There were 3 patients in 2003 and 11 patients in 2004. All of their brucella antibody titer exceeded 1: 160. The patients' symptoms were fever, myalgia, malaise, chills and an influenza-like illness, but the clinical signs were absent on the medical records. Brucella abortus were cultured from 3 of the patients' blood samples. CONCLUSIONS: When the authors discovered the transmission routes, they were divided into 4 different sorts. The first route was related to cattle birth such that patients touched the calves or placentas that were infected with the Brucella species. The second route was related to performing artificial insemination on the cattle and the semen that was used for artificial insemination. The third route was due to the ingestion of raw meat and milk. The last route was due to sexual intercourse between the patients.
Summary

JPMPH : Journal of Preventive Medicine and Public Health
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