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Volume 32, Number 3—March 2026

Research

Genetically Similar High-Risk Strains of Carbapenemase-Producing Enterobacterales in Humans and Companion Animals, United States

Lingzi Xiaoli, Allison E. JamesComments to Author , Anna L. Stahl, Maho Okumura, Stephen D. Cole, Jaclyn M. Dietrich, Molly M. Leeper, Jordan K. Putney, Maroya Spalding Walters, and Richard A. Stanton
Author affiliation: Author affiliations: Centers for Disease Control and Prevention, Atlanta, Georgia, USA (L. Xiaoli, A.E. James, A.L. Stahl, M.M. Leeper, J.K. Putney, M.S. Walters, R.A. Stanton); University of Pennsylvania School of Veterinary Medicine, Philadelphia, Pennsylvania, USA (M. Okumura, S.D. Cole, J.M. Dietrich); Applied Science Research and Technology, Inc., Smyrna, Georgia, USA (J.K. Putney); US Public Health Service, Rockville, Maryland, USA (M.S. Walters)

Main Article

Table 2

One Health clusters of CP-CRE isolates in study of genetically similar high-risk strains of carbapenemase-producing Enterobacterales in humans and companion animals, United States*

Species ST Carbapenemase gene No. isolates
Human Dog Cat Total
Escherichia coli ST162 cluster 1 blaNDM-7 1 1 0 2
ST162 cluster 2 blaNDM-5 2 1 0 3
ST167 cluster 1 blaNDM-5 9 3 0 12
ST167 cluster 2 blaNDM-5 10 55 4 69
ST167 cluster 3* blaNDM-5 275 10 0 285
ST361 blaNDM-5 34 21 0 55
ST410 blaNDM-5 27 2 0 29
ST617
 blaNDM-5
 24
 12
 2
 38
Klebsiella pneumoniae ST11 blaNDM-5 1 15 2 18
ST307
 blaNDM-5
 5
 4
 1
 10
Enterobacter cloacae ST171 blaNDM-7 5 31 5 41

*One human isolate belonged to ST12266. CP-CRE, carbapenemase-producing carbapenemase-resistant Enterobacterales; ST, sequence type.

Main Article

Page created: February 07, 2026
Page updated: February 26, 2026
Page reviewed: February 26, 2026
The conclusions, findings, and opinions expressed by authors contributing to this journal do not necessarily reflect the official position of the U.S. Department of Health and Human Services, the Public Health Service, the Centers for Disease Control and Prevention, or the authors' affiliated institutions. Use of trade names is for identification only and does not imply endorsement by any of the groups named above.
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