“…Silva et al also recovered S. marcescens producing both KPC-2 and IMP-10 at a Brazilian teaching hospital [ 13 ]. Moreover, it has been identified to be harbored on multiple plasmids: IncR, IncP6, IncQ1, IncFII, IncL/M, IncN1, IncA, IncK, IncC, ColRNAI, IncX3 and IncX6 [ [14] , [15] , [16] , [17] , [18] ]. Among these types of plasmids found in S. marcescens are specifically the ones belonging to the groups of both IncK and IncX6 [ 19 , 20 ].…”