Abstract
The Klebsiella pneumoniae species complex (KpSC) is one of the major causes of nosocomial infections, especially in intensive care unit (ICUs). These bacteria are frequently highly resistant to antibiotics, leading to an increase in morbidity and mortality. The origins of multidrug-resistant KpSC strains isolated from ICU patients are still unclear, with at least two hypotheses of acquisition paths: (i) endogenous KpSC populations that are or became resistant to antibiotics and/or (ii) hospital acquisition of circulating KpSC clones. Genomic changes observed in this study might reveal mechanisms to better adapt to KpSC in the patient's gut in the face of heavy ICU medical care pressure.
Published Version
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