- Original Article
- Epidemiological Characterization of Imported Systemic Mycoses Occurred in Korea
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Seung-Hak Cho, Young-Bin Yu, Je-Seop Park, Keun-Dol Yook, Young-Kwon Kim
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Osong Public Health Res Perspect. 2018;9(5):255-260. Published online October 31, 2018
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Objectives
Imported systemic mycoses is a severe fungal infection that can cause diseases in healthy people. However, there is a serious lack of epidemiological data about imported systemic mycoses. Therefore, an epidemiological characterization of imported systemic mycoses in Korea was performed.
Methods
We collected health insurance data between 2008 and 2012 from the Health Insurance Corporation and analyzed the data to determine the... |
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- Characterization of Clostridium difficile Strains Isolated from Patients with C. difficile-associated Disease in Korea
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Seung-Hak Cho, Jung-Whan Chon, Kun-Ho Seo, Young Kwon Kim, Jung-Beom Kim, Young-Seok Bak, Woon-Won Jung, Cheorl-Ho Kim, Jong Tae Choi
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Osong Public Health Res Perspect. 2017;8(5):325-331. Published online October 31, 2017
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Objectives Studies on Clostridium difficile are rare in Korea. We investigated the epidemiological characteristics of C. difficile isolates from patients with C. difficile-associated disease (CDAD) in Korea. MethodsMultiplex polymerase chain reaction was performed to detect the presence of tcdA and tcdB toxin genes. Antimicrobial susceptibility test was carried out by the disk-dilution method. C. difficile strains were subtyped by automated repetitive-element palindromic... |
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- Epidemiological Characterization of Skin Fungal Infections Between the Years 2006 and 2010 in Korea
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Sang-Ha Kim, Seung-Hak Cho, Seung-Ki Youn, Je-Seop Park, Jong Tae Choi, Young-Seok Bak, Young-Bin Yu, Young Kwon Kim
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Osong Public Health Res Perspect. 2015;6(6):341-345. Published online December 31, 2015
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Objectives
The purpose of this study was to build and provide a basic database of skin fungal infections for the effective management of skin fungal infections in the future.
Methods
We collected health insurance data between the years 2006 and 2010 from the Health Insurance Corporation (Seoul, Korea) and analyzed the data to determine the prevalence and treatment management of skin fungal infections.
Results
Skin... |
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- Possibility of CTX-M-14 Gene Transfer from Shigella sonnei to a Commensal Escherichia coli Strain of the Gastroenteritis Microbiome
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Seung-Hak Cho, Soon Young Han, Yeon-Ho Kang
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Osong Public Health Res Perspect. 2014;5(3):156-160. Published online June 30, 2014
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Objectives
To investigated whether the CTX-M-14 gene could be transferred from a clinical Shigella sonnei strain to commensal Escherichia coli strain in the gastroenteritis microbiome.
Methods
E. coli strains were isolated from 30 stool samples of S. sonnei infected students in a gastroenteritis outbreak in 2004 and were characterized by antibiotic resistance analysis, in vitro conjugation and in vivo transfer of CTX-M-14 gene and molecular... |
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- Prevalence of Antimicrobial Resistance in Escherichia coli Strains Isolated from Fishery Workers
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Hyun-Ho Shin, Seung-Hak Cho
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Osong Public Health Res Perspect. 2013;4(2):72-75. Published online April 30, 2013
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Objectives:
This study aimed to characterize the prevalence of antibiotic resistance in Escherichia coli isolates from the fecal samples of fishery workers who work in fish farms and often use antibiotics for the feeding fishes.
Methods:
Seventy-three E. coli strains isolated from the fecal samples of fishery workers and 180 isolates from a control group of restaurant workers were tested for antibiotic resistance... |
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- Original Article
- Prevalence of Antibiotic Resistance in Escherichia coli Fecal Isolates From Healthy Persons and Patients With Diarrhea
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Seung-Hak Cho, Yeong-Sik Lim, Mi-Sun Park, Seong-Han Kim, Yeon-Ho Kang
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Osong Public Health Res Perspect. 2011;2(1):41-45. Published online June 30, 2011
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Objectives
This study aimed to investigate the prevalence of antibiotic resistance in fecal Escherichia coli isolates from healthy persons and patients with diarrhea.
Methods
E. coli isolates (n = 428) were obtained from fecal samples of apparently healthy volunteers and hospitalized patients with diarrhea. Susceptibility patterns of isolates to 16 antimicrobial agents were determined by agar disc diffusion.
Results
Most E. coli isolates exhibited less than 10%... |
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- Distribution of Virulence Genes and Their Association of Serotypes in Pathogenic Escherichia coli Isolates From Diarrheal Patients in Korea
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Seung-Hak Cho, Kyung-Hwan Oh, Seong-Han Kim, Hee-Bok Oh, Mi-Sun Park
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Osong Public Health Res Perspect. 2010;1(1):29-35. Published online December 31, 2010
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Objectives
To characterise the genetic and serological diversity of pathogenic Escherichia coli, we tested 111 E coli strains isolated from diarrhoeal patients in Korea between 2003 and 2006.
Methods
The isolates were tested through polymerase chain reaction (PCR) and slide agglutination method for the detection of virulence genes and serotypes, respectively. To compare the expression of Shiga toxin (stx)-1 and stx2 genes, real-time... |
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