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. 2023 Dec;42(12):1523-1530.
doi: 10.1007/s10096-023-04684-9. Epub 2023 Oct 19.

High risk of intestinal colonization with ESBL-producing Escherichia coli among soldiers of military contingents in specific geographic regions

E Literacka  1 , M Konior  2 , R Izdebski  3 , D Żabicka  4 , M Herda  4 , M Gniadkowski  3 , K Korzeniewski  2
Affiliations

High risk of intestinal colonization with ESBL-producing Escherichia coli among soldiers of military contingents in specific geographic regions

E Literacka et al. Eur J Clin Microbiol Infect Dis. 2023 Dec.

Abstract

One-hundred Polish soldiers of a contingent in Afghanistan in 2019 were screened for Enterobacterales resistant to newer-generation β-lactams at their departure and return. Seventeen percent were colonized in the gut at the departure, whereas 70% acquired carriage in Afghanistan. The commonest organisms were extended-spectrum β-lactamase (ESBL)-producing Escherichia coli (ESBL-Ec; 96.6%). All isolates were sequenced and were clonally diverse overall, even within the same sequence type, indicating that independent acquisitions mainly. ESBL-Ec were often multi-drug-resistant. Soldiers stationing in certain regions are at high risk of acquiring resistant bacteria that may cause endogenous infection, be transmitted to vulnerable individuals, and spread resistance genes.

Keywords: Acquisition; Carbapenemase; ESBL; Escherichia coli; Intestinal carriage; Soldiers.

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Conflict of interest statement

The authors declare no competing interests.

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