Comparison of screening methods for detection of extended‐spectrum β‐lactamases and their prevalence among <i>Escherichia coli</i> and <i>Klebsiella</i> species in Hong Kong

Abstract excerpt

Three tests, the disk diffusion test, the double-disc synergy test and the inhibitor-potentiated disc diffusion test, were compared for their abilities to detect production of extended-spectrum beta-lactamases (ESBL) in 702 Escherichia coli and 472 Klebsiella spp. strains from four hospitals. Eleven percent E. coli and 13% Klebsiella spp. were found to produce ESBL. As an indicator of ESBL activity, the...

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