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Maximum-likelihood analysis of pKPC2 plasmids from carbapenem-resistant hypervirulent Klebsiella pneumoniae isolates, Singapore, 2013–2015. pKPC2_494 was used as reference. Labels indicate isolate no._patient no._K serotype_sequence type. Days between isolate collection are indicated. Scale bar indicates nucleotide changes per base pair. KPC, Klebsiella pneumoniae carbapenemase; ST, sequence type.
