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Volume 18, Number 6—June 2012

Letter

ESBL-Positive Enterobacteria Isolates in Drinking Water

Hilde De BoeckComments to Author , Berthe Miwanda, Octavie Lunguya-Metila, Jean-Jacques Muyembe-Tamfum, Ellen Stobberingh, Youri Glupczynski, and Jan Jacobs
Author affiliations: Institute of Tropical Medicine, Antwerp, Belgium (H. De Boeck, J. Jacobs); Institut National de Recherche Biomédicale, Kinshasa, Democratic Republic of the Congo (B. Miwanda, O. Lunguya-Metila, J.J. Muyembe-Tamfum); Maastricht University Medical Center, Maastricht, the Netherlands (E. Stobberingh); Cliniques Universitaires Université Catholique de Louvain de Mont-Godinne, Yvoir, Belgium (Y. Glupczynski)

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Table

ESBL-producing Enterobacteriaceae recovered from sachet-packaged water bags in Kinshasa, Democratic Republic of the Congo*

Isolate no. Species Microarray CT101 result Associated resistance†
Folate PI
Aminoglycosides Fluoroquinolones
44 Citrobacter freundii CTX-M1 group AMK, GEN, TOB CIP, LEV, MXF, NXN T/S
48 Citrobacter freundii CTX-M1 group AMK, GEN, TOB CIP, LEV, MXF, NXN T/S
152 Enterobacter cloacae SHV G238S (SHV-2 like) NA NA T/S
154 Klebsiella pneumoniae CTX-M1 group GEN, TOB CIP, MXF T/S
163 Citrobacter freundii CTX-M1 group NA MXF T/S
165 Klebsiella pneumoniae CTX-M1 group GEN, TOB NA T/S
170 Klebsiella pneumoniae SHV G238A+E240K(SHV-18) GEN, TOB MXF NA
171 Escherichia coli SHV G238A+E240K(SHV-18) GEN, TOB NA NA

*ESBL, extended-spectrum β-lactamase; PI, pathway inhibitors; AMK, amikacin; GEN, gentamicin; TOB, tobramycin; CIP, ciprofloxacin; LEV, levofloxacin; MXF, moxifloxacin; NXN, norfloxacin; T/S, trimethoprim/sulfamethoxazole; NA, not applicable.
†Based on interpretive breakpoints as indicated in Clinical and Laboratory Standards Institute guidelines M100-S18, published January 2008.

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