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Volume 21, Number 7—July 2015
Dispatch

Outbreak of Ciprofloxacin-Resistant Shigella sonnei Associated with Travel to Vietnam, Republic of Korea

Jin Seok Kim, Jae Joon Kim, Soo Jin Kim, Se-Eun Jeon, Ki Yeon Seo, Jun-Kil Choi, Nan-Ok Kim, Sahyun Hong, Gyung Tae Chung, Cheon-Kwon Yoo, Young-Taek Kim, Hyeng Il Cheun, Geun-Ryang Bae, Yeong-Hee Yeo, Gang-Ja Ha, Mi-Suk Choi, Shin-Jung Kang, and Junyoung KimComments to Author 
Author affiliations: Korea National Institute of Health, Cheongju-si, South Korea (J.S. Kim, S.J. Kim, S.E. Jeon, N.-O. Kim, S. Hong, G.T. Chung, C.-K. Yoo, S.-J. Kang, J. Kim); Gyeongsangnam-do Provincial Government, Changwon-si (J.J. Kim); Korea Centers for Disease Control and Prevention, Cheongju-si (K.Y. Seo, J.-K. Choi, Y.T. Kim, H.I. Cheun, G.-R. Bae); Gyeongsangnam-do Public Health and Environmental Research Institute, Changwon-si (Y.-H. Yeo, G.-J. Ha); Changnyeong Preservation of Health, Changnyeong-gun, South Korea (M.-S. Choi)

Main Article

Figure 2

XbaI pulsed-field gel electrophoresis patterns of Shigella sonnei strains identified during a 2014 outbreak in South Korea and 2 isolated from samples from persons in Vietnam. The dendrogram was constructed by using Dice coefficient and UPGMA clustering, with 1.5% optimization and 1.5% position tolerance. Antibiotic resistance profiles and resistance determinants to extended-spectrum cephalosporins and fluoroquinolones are plotted next to the dendrogram. All strains had QRDR mutations GyrA(S83L,

Figure 2. XbaI pulsed-field gel electrophoresis patterns of Shigella sonnei strains identified during a 2014 outbreak in South Korea and 2 isolated from samples from persons in Vietnam. The dendrogram was constructed by using Dice coefficient and UPGMA clustering, with 1.5% optimization and 1.5% position tolerance. Antibiotic resistance profiles and resistance determinants to extended-spectrum cephalosporins and fluoroquinolones are plotted next to the dendrogram. All strains had QRDR mutations GyrA(S83L,D87G) and ParC(S80I). *Strains 14-5222 and 12-3580 originated in Vietnam. AMP, ampicillin; CIP, ciprofloxacin; CTX, cefotaxime; NAL, nalidixic acid; TET, tetracycline; SXT, trimethoprim/sulfamethoxazole; QRDR, quinolone resistance–determining region. Scale bar indicates percentage relatedness.

Main Article

Page created: June 16, 2015
Page updated: June 16, 2015
Page reviewed: June 16, 2015
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