Coexistence of NDM-1 and VIM-1 metallo-β-lactamases in ST11 K. pneumoniae isolated in a Greek tertiary care hospital Location of blaNDM-1 on an ~90-kb plasmid similar to the NDM-1-encoding plasmid pB-3002cz. Location of blaVIM-1 in an In-e541-like integron, carried on a multireplicon (IncA/C and IncR) plasmid of ~180 kb.