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Volume 26, Number 9—September 2020
Dispatch

Emergence of pstS-Null Vancomycin-Resistant Enterococcus faecium Clone ST1478, Canada, 2013–2018

Melissa McCrackenComments to Author , Robyn Mitchell, Stephanie Smith, Susy Hota, John Conly, Tim Du, John Embil, Lynn Johnston, Debbie Ormiston, Jennifer Parsonage, Andrew Simor, Alice Wong, George Golding, and for the Canadian Nosocomial Infection Surveillance Program
Author affiliations: Public Health Agency of Canada, Winnipeg, Manitoba, Canada (M. McCracken, T. Du, G. Golding); Public Health Agency of Canada, Ottawa, Ontario, Canada (R. Mitchell); University of Alberta, Edmonton, Alberta, Canada (S. Smith); Toronto General Hospital, Toronto, Ontario, Canada (S. Hota); University of Calgary Cumming School of Medicine, Calgary, Alberta, Canada (J. Conly); Health Sciences Centre, Winnipeg (J. Embil, D. Ormiston); Queen Elizabeth II Health Sciences Centre, Halifax, Nova Scotia, Canada (L. Johnston); University of Alberta Hospital, Edmonton (J. Parsonage); Sunnybrook Health Sciences Centre, Toronto (A. Simor); Saskatchewan Health Authority, Saskatoon, Saskatchewan, Canada (A. Wong)

Main Article

Table 1

Antimicrobial drug resistance results for ST1478 versus non-ST1478 isolates of vancoymicin-resistant enterococci, Canada, 2013–2018*

Antimicrobial drug % ST1478, n = 115 % Non-ST1478, n = 493 p value
Ampicillin 100.0 100.0 1
Chloramphenicol 10.4 1 0.0001
Ciprofloxacin 100.0 100.0 1
Daptomycin 13.0 3.9 0.0014
Erythromycin 100.0 92.1 0.6068
HL gentamicin 80.0 13.6 0.0001
Levfloxacin 100.0 99.6 1
Linezolid 1.7 0.4 0.1669
Nitrofurantoin 16.5 35.9 0.002
Penicillin 100.0 100.0 1
Quinupristin/dalfopristin 0.9 8.5 0.0032
Rifampin 95.7 90.1 0.7104
HL streptomycin 15.7 39.8 0.0002
Tetracycline 91.3 46.0 0.0001
Tigecycline 0.9 0.4 0.4776
Vancomycin 100.0 97.2 0.8835

*HL, high level; ST, sequence type.

Main Article

Page created: May 29, 2020
Page updated: August 19, 2020
Page reviewed: August 19, 2020
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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