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Volume 25, Number 7—July 2019

Microbiome and Antimicrobial Resistance Gene Dynamics in International Travelers

Charles LangelierComments to Author , Michael Graves1, Katrina Kalantar1, Saharai Caldera, Robert Durrant, Mark Fisher, Richard Backman, Windy Tanner, Joseph L. DeRisi, and Daniel T. Leung
Author affiliations: University of California, San Francisco, California, USA (C. Langelier, K. Kalantar, S. Caldera, J.L. DeRisi); Chan Zuckerberg Biohub, San Francisco (C. Langelier, S. Caldera, J.L. DeRisi); University of Utah School of Medicine, Salt Lake City, Utah, USA (M. Graves, R. Durrant, M. Fisher, R. Backman, W. Tanner, D.T. Leung); ARUP Laboratories, Salt Lake City (R. Durrant, M. Fisher)

Main Article

Table 1

Selected characteristics of 10 travelers and assessment of ESBL-producing Enterobacteraciae*

Traveler Destination Duration, d Diarrhea Pretravel Posttravel 30 d posttravel 6 mo posttravel
T1 Nepal 30 N AmpC OXA-209 OXA-209
T2 Nepal 30 N AmpC, CTX-M1 AmpC
T3 Nepal 30 N OXA-209 AmpC, CTX-M1, OXA-209 OXA-209 OXA-209
T4 Nepal 16 N AmpC NR
T5 Nepal 30 Y AmpC, SHV-12 AmpC AmpC, CTX-M-1
T6 Nepal 15 Y AmpC, CTX-M-1
T7 Nepal 18 N AmpC, CTX-M-1 NR NR
T8 Uganda 14 N – (AmpC)†
T9 Nigeria 60 Y AmpC
T10 Nepal 30 Y AmpC, CTX-M-1 NR

*Participants submitted samples pretravel (within 1 week before departure), posttravel (within 1 week after return), 30 days posttravel, and 6 months posttravel. ESBL, extended-spectrum β-lactamase; N, no; NR, no sample received; Y, yes; –, ESBL-negative by culture.
†T8 was the only participant who was phenotypically ESBL-negative after travel.

Main Article

1These authors contributed equally to this article.

Page created: June 17, 2019
Page updated: June 17, 2019
Page reviewed: June 17, 2019
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