The purpose of this study was to estimate the prevalence and to characterize the carbapenemase-producing Escherichia coli by various phenotypic antimicrobial susceptibility testing methods, and its performance was compared to the gold standard genotypic method. The prevalence of carbapenemase-resistant E. coli was found to be 65%. The phenotypic methods evaluated are cost-effective and can be used in resource-limited laboratories to rule out carbapenem resistance.
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Govindaswamy et al. (2019) studied this question.
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