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Within-patient horizontal transfer of pOXA-48 from a hypervirulent Klebsiella pneumoniae SL218 to Serratia marcescens following spread of the K. pneumoniae isolate among hospitalised patients, Denmark, 2021
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View Affiliations Hide AffiliationsFrederik B. Hertzfrederik.boetius.hertz regionh.dk
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Citation style for this article: . Within-patient horizontal transfer of pOXA-48 from a hypervirulent Klebsiella pneumoniae SL218 to Serratia marcescens following spread of the K. pneumoniae isolate among hospitalised patients, Denmark, 2021 . Euro Surveill. 2023;28(17):pii=2300196. https://doi.org/10.2807/1560-7917.ES.2023.28.17.2300196 Received: 01 Apr 2023; Accepted: 27 Apr 2023
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Abstract
A hypervirulent Klebsiella pneumoniae SL218 (ST23-KL57), phylogenetically distinct from the classical hypervirulent SL23 (ST23-KL1) lineage, was transmitted between hospitalised patients in Denmark in 2021. The isolate carried a hybrid resistance and virulence plasmid containing blaNDM-1 and a plasmid containing blaOXA-48 (pOXA-48); the latter plasmid was horizontally transferred within-patient to Serratia marcescens. The convergence of drug resistance and virulence factors in single plasmids and in different lineages of K. pneumoniae is concerning and requires surveillance.
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