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Volume 19, Number 8—August 2013
CME ACTIVITY - Research

Extended-Spectrum β-Lactamase–producing Enterobacteriaceae among Travelers from the Netherlands

Sunita PaltansingComments to Author , Jessica A. Vlot, Margriet E.M. Kraakman, Romy Mesman, Marguerite L. Bruijning, Alexandra T. Bernards, Leo G. Visser1, and Karin Ellen Veldkamp1
Author affiliations: Leiden University Medical Center, Leiden, the Netherlands

Main Article

Table 2

Microbiological and molecular characteristics of rectal swab samples collected from travelers from the Netherlands immediately pre- and post–travel and 6 mo after return*

ID Immediate post-travel samples
Post-travel sample 6 mo after return†
Pretravel sample
Isolate 1
Isolate 2
Species CTX-M group ST Species CTX-M group ST Species CTX-M group ST Species CTX-M group ST
25 Neg NA NA E. coli 9 131 Neg NA NA E. coli 9 131
45 Neg NA NA E. coli 1 405 E. coli 9 38 E. coli 1 405
56 Neg NA NA E. coli 1 3036 E. coli 1 517 E. coli 1 3267
60 Neg NA NA E. coli 1 648 K.p. 1 ND E. coli 1 648
61 Neg NA NA E. coli 1 648 E. coli 9 227 E. coli 1 131
62 Neg NA NA E. coli 9 3037 Neg NA NA E. coli 9 501
80 Neg NA NA E. coli 1 131 Neg NA NA E. coli 9 1177
86 Neg NA NA E. coli 1 93 E. coli 1 2090 E. cloacae 9 ND
137 Neg NA NA E. coli 1 155 E. coli 1 617 E. coli 9 131
204 Neg NA NA E. coli 1 38 Neg NA NA K.p. 1 ND
211 Neg NA NA E. coli 1 3044 Neg NA NA K.p. 1 ND
222 Neg NA NA E. coli 9 2003 Neg NA NA E. coli 9 2003
238 Neg NA NA E. coli 9 414 Neg NA NA E. coli 9 10
251 Neg NA NA E. coli 1 34 Neg NA NA E. coli 1 450
309 Neg NA NA E. coli 1 3045 Neg NA NA E. coli 1 3045
373 Neg NA NA E. coli 1 38 Neg NA NA E. coli 1 3266
387 Neg NA NA E. coli 1 131 Neg NA NA E. coli 1 131
454 Neg NA NA E. coli 9 10 Neg NA NA E. coli 9 10
474 Neg NA NA E. coli 1 154 Neg NA NA E. coli 1 131
12 E. coli 9 38 E. coli 1 3074 Neg NA NA E. coli 1 38
105 E. coli 1 191 E. coli 1 120 E. coli 1 38 E. coli 1 120
255 E. coli 9 131 E. coli 1 617 Neg NA NA E. coli 9 131
269 K.p. 1 ND K.p. 1 ND Neg NA NA K.p. 1 ND
283 E. coli 9 131 E. coli 1 46 Neg NA NA E. coli 9 131
505 E. coli 1 1163 E. coli 1 69 Neg NA NA E. coli 9 3268
512 E. coli 9 657 E. coli 9 657 Neg NA NA E. coli 1 657

*ID, participant identification number; CTX-M, extended-spectrum β-lactamase enzyme; ST, sequence type; Neg, no species were isolated from sample; E., Escherichia; K.p., Klebsiella pneumoniae; NA, not applicable; ND, no sequence type data available.
†None of the participants with a positive rectal swab sample after 6 months reported antimicrobial drug use during the 6 months after return.

Main Article

1These authors contributed equally to this article.

Page created: July 26, 2013
Page updated: July 26, 2013
Page reviewed: July 26, 2013
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