First Report of Metallo-β-Lactamase NDM-5-Producing Escherichia coli in Japan

Reports of carbapenemase-producing carbapenem-resistant Enterobacteriaceae are increasing worldwide ([1][1]). Among the newly emerged carbapenemases, New Delhi metallo-β-lactamase 1 (NDM-1) represents the latest threat to public health. Since it was first described in 2009 ([2][2]), NDM-producing