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European Centre for Disease Prevention and Control, Eurosurveillance, 42(28), 2023

DOI: 10.2807/1560-7917.es.2023.28.42.2300522

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Rapid spread of a novel NDM-producing clone of Klebsiella pneumoniae CC147, Northern Italy, February to August 2023

Journal article published in 2023 by Irene Mileto ORCID, Greta Petazzoni ORCID, Marta Corbella ORCID, Stefano Gaiarsa ORCID, Cristina Merla ORCID, Angela Kuka ORCID, Marina Ramus ORCID, Cristina Terulla, Micaela Brandolini, Antonio Piralla ORCID, Patrizia Cambieri ORCID, Fausto Baldanti ORCID
This paper is made freely available by the publisher.
This paper is made freely available by the publisher.

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Abstract

New Delhi metallo-beta-lactamase (NDM)-producing Klebsiella pneumoniae (Kp) ST147 caused a large multi-hospital outbreak in Italy from 2018 to 2021. We describe a new ST6668 NDM-producing Kp clone, belonging to CC147, which rapidly spread across hospitals in the Pavia province (Northern Italy) from February to August 2023. Genomic analyses revealed that ST6668 is different from ST147 and fast evolving. As shown here, genomic surveillance programmes are useful for tracking the spread of new clones with reduced susceptibility to most antibiotics.