Genomic analysis of Klebsiella pneumoniae high-risk clone ST11 co-harbouring MCR-1.27 and KPC-2 recovered at a paediatric oncologic hospital in the Brazilian Amazon region

•Klebsiella pneumoniae epidemic ST11 with an extensive drug resistance in the Brazilian Amazon region.•Eight plasmids, two of them harbouring mcr-1.27 and blaKPC-2 genes, were detected. The first report of the MCR-1.27 variant in Latin American, with a carbapenemase co-production•The first report of the MCR-1.27 variant in Latin America, with a carbapenemase co-production