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Volume 28, Number 7—July 2022
Research

Outbreak of IncX8 Plasmid–Mediated KPC-3–Producing Enterobacterales Infection, China

Lan Chen1, Wenxiu Ai1, Ying Zhou1, Chunyang Wu, Yinjuan Guo, Xiaocui Wu, Bingjie Wang, Lulin Rao, Yanlei Xu, Jiao Zhang, Liang ChenComments to Author , and Fangyou YuComments to Author 
Author affiliations: Ningbo First Hospital, Ningbo, China (L. Chen); First Affiliated Hospital of Wenzhou Medical University, Wenzhou, China (W. Ai, C. Wu, L. Rao, J. Zhang, F. Yu); Shanghai Pulmonary Hospital, Tongji University School of Medicine, Shanghai, China (Y. Zhou, Y. Guo, X. Wu, B. Wang, Y. Xu, F. Yu); Hackensack Meridian Health Center for Discovery and Innovation, Nutley, New Jersey, USA (L. Chen); Hackensack Meridian School of Medicine, Nutley (L. Chen)

Main Article

Figure 2

Core-genome phylogenetic tree of 748 Serratia marcescens genomes from the National Center for Biotechnology Information RefSeq database (https://www.ncbi.nlm.nih.gov/refseq) and 18 KPC 3–producing strains from an outbreak of KPC 3–producing Enterobacterales infection at a tertiary hospital in Ningbo, Zhejiang Province, China, August 1, 2020–June 30, 2021. The isolation country is color-coded and illustrated at the tips. Carbapenemases are presented as a color-coded outer circle. The tree was rooted in the midpoint. Scale bar represents 0.01 mutations per nucleotide position. KPC, K. pneumoniae carbapenemase; NA, not available; UK, United Kingdom; USA, United States.

Figure 2. Core-genome phylogenetic tree of 748 Serratia marcescens genomes from the National Center for Biotechnology Information RefSeq database (https://www.ncbi.nlm.nih.gov/refseq) and 18 KPC 3–producing strains from an outbreak of KPC 3–producing Enterobacterales infection at a tertiary hospital in Ningbo, Zhejiang Province, China, August 1, 2020–June 30, 2021. The isolation country is color-coded and illustrated at the tips. Carbapenemases are presented as a color-coded outer circle. The tree was rooted in the midpoint. Scale bar represents 0.01 mutations per nucleotide position. KPC, K. pneumoniae carbapenemase; NA, not available; UK, United Kingdom; USA, United States.

Main Article

1These first authors contributed equally to this article.

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