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Updated: Jul 23, 2025

Isolation and Identification of Waterborne Antibiotic-Resistant Bacteria and Molecular Characterization of their Antibiotic Resistance Genes
Published on: March 3, 2023
Community-acquired antimicrobial resistance among Syrian refugees and the local population in Türkiye
Serap Süzük Yıldız1, Can Hüseyin Hekimoğlu1, Mustafa Bahadır Sucaklı2
1Department of Microbiology Reference Laboratory and Biological Product, Ministry of Health, General Directorate of Public Health, Ankara, Türkiye.
Background:
The long-standing antimicrobial resistance (AMR) pandemic has proven difficult to resolve and is becoming more complex, especially in the context of increasing forced migration, with little evidence around patterns of AMR in migrant communities. This study aimed to determine the frequency in the carriage of common types of antimicrobial-resistant bacteria between Syrian refugees and the local communities in Türkiye: extended-spectrum β-lactamase (ESBL), methicillin-resistant Staphylococcus aureus (MRSA) and vancomycin-resistant enterococci (VRE).
Methods:
We collected nasal swabs and stool samples from the study participants, the local community members, and refugees, between September 2020 and March 2021. We screened clinical samples for the presence of ESBL, MRSA and VRE. Antimicrobial-resistant bacterial isolates were tested by phenotypic analysis to determine the AMR status.
Results:
The study included a total of 3960 participants: 1453 individuals in the local community (36.2%) and 2525 Syrian refugees (63.8%). Overall, a significantly greater proportion of refugees (6.7%) carried MRSA compared to the local community (3.2%) (P < 0.001). The ESBL-positivity rate was 17.9% in Syrian refugees and 14.3% in the local community (P = 0.041). Carbapenemase activity was detected in three isolates from Syrian refugees. No VRE was detected in Syrian refugees or the local community.
Conclusions:
This large, community-based study on the frequency and the distribution of AMR among Syrian refugees and the local population is the first study in Türkiye.
Insights
Syrian refugees in Türkiye showed higher rates of methicillin-resistant Staphylococcus aureus (MRSA) and extended-spectrum β-lactamase (ESBL) bacteria carriage compared to the local population. This study highlights antimicrobial resistance (AMR) patterns in migrant communities.
Area of Science:
- Public Health
- Infectious Diseases
- Microbiology
Background:
- The global antimicrobial resistance (AMR) pandemic is complex, exacerbated by forced migration.
- Limited data exists on AMR patterns within migrant populations.
- This study addresses AMR in Syrian refugees and local communities in Türkiye.
Purpose of the Study:
- To determine the carriage frequency of common antimicrobial-resistant bacteria (extended-spectrum β-lactamase [ESBL], methicillin-resistant Staphylococcus aureus [MRSA], vancomycin-resistant enterococci [VRE]) among Syrian refugees and the local population in Türkiye.
- To compare AMR prevalence between these two groups.
Main Methods:
- Collection of nasal and stool samples from 3960 participants (1453 local community, 2525 Syrian refugees) between September 2020 and March 2021.
- Screening of clinical samples for ESBL, MRSA, and VRE.
- Phenotypic analysis of antimicrobial-resistant isolates to confirm AMR status.
Main Results:
- Syrian refugees had a significantly higher carriage rate of MRSA (6.7%) compared to the local community (3.2%) (P < 0.001).
- ESBL-positivity rates were 17.9% in refugees versus 14.3% in the local community (P = 0.041).
- Carbapenemase activity was found in three refugee isolates; no vancomycin-resistant enterococci (VRE) were detected in either group.
Conclusions:
- This is the first large, community-based study in Türkiye investigating AMR frequency and distribution among Syrian refugees and the local population.
- Findings indicate a higher prevalence of specific resistant bacteria, like MRSA, in the refugee population.
- The study underscores the importance of monitoring AMR in migrant communities to inform public health strategies.
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