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Volume 21, Number 9—September 2015
THEME ISSUE
Emerging Infections Program

Improved Phenotype-Based Definition for Identifying Carbapenemase Producers among Carbapenem-Resistant Enterobacteriaceae

Nora Chea, Sandra N. Bulens, Thiphasone Kongphet-Tran, Ruth Lynfield, Kristin Shaw, Paula Snippes Vagnone, Marion Kainer, Daniel Muleta, Lucy Wilson, Elisabeth Vaeth, Ghinwa Dumyati, Cathleen Concannon, Erin C. Phipps, Karissa Culbreath, Sarah J. Janelle, Wendy Bamberg, Alice Y. Guh, Brandi M. Limbago, and Alexander J. KallenComments to Author 
Author affiliations: Centers for Disease Control and Prevention, Atlanta, Georgia, USA (N. Chea, S.N. Bulens, T. Kongphet-Tran, A.Y. Guh, B. Limbago, A.J. Kallen); Minnesota Department of Health, St. Paul, Minnesota, USA (R. Lynfield, K.M. Shaw, P. Snippes Vagnone); Tennessee Department of Health, Nashville, Tennessee, USA (M.A Kainer, D.B. Muleta); Maryland Emerging Infections Program, Baltimore, Maryland, USA (L. Wilson, E. Vaeth); New York–Rochester Emerging Infections Program, Rochester, New York, USA (G. Dumyati, C. Concannon); University of Rochester Medical Center, Rochester (G. Dumyati, C. Concannon); University of New Mexico, Albuquerque, New Mexico, USA (E.C. Phipps, K. Culbreath); Colorado Department of Public Health and Environment, Denver, Colorado, USA (S.J. Janelle, W.M. Bamberg)

Main Article

Table 6

Results for modified Hodge test evaluation of 312 enterobacterial isolates from 6 US Emerging Infections Program sites, January 1, 2011–January 30, 2014

Organism, carbapenem used False-positive results, % Selected false-negative results
Klebsiella spp.
Meropenem 2.7 0
Ertapenem
2.7
0
Enterobacter spp.
Meropenem 31 0
Ertapenem
34
0
Escherichia coli
Meropenem 3 0
Ertapenem 4 0

Main Article

Page created: August 12, 2015
Page updated: August 12, 2015
Page reviewed: August 12, 2015
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