High Rates of Plasmid-Mediated Quinolone Resistance <i>QnrB</i> Variants Among Ciprofloxacin-Resistant <i>Escherichia coli</i> and <i>Klebsiella pneumoniae</i> from Urinary Tract Infections in Korea

Abstract excerpt

The aims of this study were to investigate the prevalence of qnrA, qnrB, and qnrS determinants and their molecular characteristics in ciprofloxacin-resistant isolates of Escherichia coli and Klebsiella pneumoniae from urinary tract infections (UTI) in Korea. A total of 202 nonduplicated clinical isolates of ciprofloxacin-resistant E. coli (n = 143) and K. pneumoniae (n = 59) were collected between July 2005 and...

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