Abstract
We describe a hospital-based outbreak caused by multidrug-resistant, Klebsiella pneumoniae carbapenemase 3-producing, mcr-1-positive K. pneumoniae sequence type 45 in Portugal. mcr-1 was located in an IncX4 plasmid. Our data highlight the urgent need for systematic surveillance of mcr-1 to support adequate therapeutic choices in the nosocomial setting.
Keywords:
IncX4; Klebsiella pneumoniae; Portugal; ST45; antimicrobial resistance; bacteria; carbapenem; colonization; mcr; mcr-1; multidrug resistance; nosocomial infection; outbreak; plasmid-mediated colistin resistance.
Publication types
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Historical Article
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Research Support, Non-U.S. Gov't
MeSH terms
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Aged
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Aged, 80 and over
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Anti-Bacterial Agents / pharmacology
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Bacterial Proteins / genetics*
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Drug Resistance, Multiple, Bacterial
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Female
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History, 21st Century
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Hospitalization*
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Humans
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Klebsiella Infections / epidemiology*
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Klebsiella Infections / history
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Klebsiella Infections / microbiology*
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Klebsiella pneumoniae / drug effects*
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Klebsiella pneumoniae / genetics*
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Male
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Microbial Sensitivity Tests
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Middle Aged
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Multilocus Sequence Typing
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Portugal / epidemiology
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beta-Lactamases / genetics*
Substances
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Anti-Bacterial Agents
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Bacterial Proteins
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beta-Lactamases
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carbapenemase