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Title: Prevalence and characteristics of Streptococcus pneumoniae "putative serotype 6E" isolates from Asian countries
Authors: Jin Yang Baek
In Ho Park
Thomas Man kit So
M. K. Lalitha
Nobuyuki Shimono
Rohani Md Yasin
Celia C. Carlos
Jennifer Perera
Visanu Thamlikitkul
Po Ren Hsueh
Pham Hung Van
Atef M. Shibl
Jae Hoon Song
Kwan Soo Ko
Asia Pacific Foundation for Infectious Diseases (APFID)
Ewha Womans University
SureCare Medical Centre
Madras Medical Mission
Kyushu University, Faculty of Medical Sciences
Institute for Medical Research Kuala Lumpur
University of Colombo
Mahidol University
National Taiwan University Hospital
University of Medicine and Pharmacy
King Saud University
SungKyunKwan University, School of Medicine
Keywords: Medicine
Issue Date: 1-Jan-2014
Citation: Diagnostic Microbiology and Infectious Disease. Vol.80, No.4 (2014), 334-337
Abstract: © 2014 Elsevier Inc. The prevalence, antimicrobial susceptibility, and genotypes of Streptococcus pneumoniae "putative serotype 6E" isolates from Asian countries were investigated. A total of 244 S. pneumoniae serogroup 6 isolates obtained from 11 Asian countries were included in this study. Of the 244 serogroup 6 isolates, 101 (41.4%) were typed as "putative serotype 6E," followed by serotypes 6A, 6B, 6C, and 6D (27.0, 20.1, 5.7, and 5.7%, respectively). Multilocus sequence typing revealed that clonal complex (CC) 90, including ST90 and its variants, was the most prevalent clonal group of "putative serotype 6E" isolates (n = 63; 62.4%). CC146 and CC315 were also found frequently in some of the countries. Most of the "putative serotype 6E" isolates showed very high resistance rates against cefuroxime, erythromycin, azithromycin, clarithromycin, clindamycin, and trimethoprim/sulfamethoxazole, probably due to their highly resistant to antimicrobials clone, CC90. Our results indicate that "putative serotype 6E" is prevalent in Asian countries. The clonal dissemination of "putative serotype 6E" isolates was also identified.
ISSN: 18790070
Appears in Collections:Scopus 2011-2015

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