ArticleEuropean journal of clinical microbiology & infectious diseases : official publication of the European Society of Clinical Microbiology2025
Epidemiology and risk factors of expatriates returning to Switzerland colonized at the intestinal level with multidrug-resistant Enterobacterales.
Article in European journal of clinical microbiology & infectious diseases : official publication of the European Society of Clinical Microbiology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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2 citing papers in PubMed.
- Gut microbiota and resistome profiles of Swiss expatriates in Africa revealed by Nanopore metagenomics.Scientific reports · 2026Article
- Tourism and the Global Vectoring of Antimicrobial-Resistant Disease: What Countries Are Most Impacted?Antibiotics (Basel, Switzerland) · 2025Article
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6 authors.
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Abstract
Living in high-endemic regions increases the risk of intestinal colonization by multidrug-resistant Enterobacterales (MDR-Ent). This study investigated Swiss expatriates residing abroad (≥ 3 months) to assess their colonization status upon returning to Switzerland. Selective culture-based methods were implemented to detect third-generation cephalosporins- (3GC-R), carbapenems- (CR), and colistin-resistant (COL-R) strains. Whole-genome sequencing was used to characterize antimicrobial resistance genes, sequence type (ST), and phylogroup of MDR-Ent. Epidemiological data were analyzed using uni- and multivariable models to identify risk factors, providing crude and adjusted odds ratios (ORs). Among 196 participants living across Africa, Asia, the Americas, and Europe, the overall MDR-Ent colonization prevalence was 42.9%. Continent of residence emerged as a significant risk factor (p = 0.04) for colonization: Africa (adjusted OR = 3.4, 95% CI 1.0-11.0) and Asia (adjusted OR = 4.7, 95% CI 1.5-15.0). Extended-spectrum β-lactamase-producing Escherichia coli (Ec) was the most frequent isolated species (n = 107 out of 119 Ent). Most 3GC-R-Ec possessed bla
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