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Background <p>Voles and <i>Apodemus</i> mice are recognized as important hosts for numerous parasites and pathogens. Understanding the occurrence of zoonoses, key host characteristics, and the factors influencing their population dynamics and distribution is essential for predicting disease occurrence and assessing the risks of transmission and spread. Determining the role of voles and field mice, in maintaining <i>Borrelia burgdorferi</i>, s.l. in the environment clarifies its transmission during tick activity periods and highlights the need for timely monitoring and control measures.</p> Results <p>We examined the prevalence of <i>Borrelia burgdorferi</i> sensu lato in solid heart tissue of small rodent species (<i>Clethrionomys glareolus</i>,<i> Apodemus</i> spp., <i>Microtus</i> spp.). Detection and molecular typing of bacteria was completed using real-Time PCR and Sanger sequencing. The presence of the pathogen <i>Borrelia afzelii</i> in voles (<i>Microtus arvalis</i>, <i>C. glareolus</i>) and mice (<i>Apodemus agrarius</i>, <i>Apodemus sylvaticus</i>) was recorded in Serbia for the first time during this study. The prevalence of <i>B. burgdorferi</i> s.l. infection in the collected <i>M. arvalis</i> and <i>C. glareolus</i> was 12.9%. and 8.2%, respectively. The prevalence of infected <i>A. agrarius</i> and <i>A. sylvaticus</i> was 66.7% and 20%, respectively.</p> Conclusions <p>The presence of <i>B. burgdorferi</i> s.l. in the sampled animals suggests that rodent species may act as hosts for this pathogen and contribute to its maintenance in the environment.</p>

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First records of Borrelia burgdorferi sensu lato in voles and selected Apodemus species in Serbia

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  • 发表日期：

    2026年7月21日

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  • Goran Jokić,
  • Tanja Blažić,
  • Marina Žekić,
  • Linda Bjedov,
  • Vladimir Gajdov,
  • Tamaš Petrović,
  • Sara Savić

摘要

Background

Voles and Apodemus mice are recognized as important hosts for numerous parasites and pathogens. Understanding the occurrence of zoonoses, key host characteristics, and the factors influencing their population dynamics and distribution is essential for predicting disease occurrence and assessing the risks of transmission and spread. Determining the role of voles and field mice, in maintaining Borrelia burgdorferi, s.l. in the environment clarifies its transmission during tick activity periods and highlights the need for timely monitoring and control measures.

Results

We examined the prevalence of Borrelia burgdorferi sensu lato in solid heart tissue of small rodent species (Clethrionomys glareolus, Apodemus spp., Microtus spp.). Detection and molecular typing of bacteria was completed using real-Time PCR and Sanger sequencing. The presence of the pathogen Borrelia afzelii in voles (Microtus arvalis, C. glareolus) and mice (Apodemus agrarius, Apodemus sylvaticus) was recorded in Serbia for the first time during this study. The prevalence of B. burgdorferi s.l. infection in the collected M. arvalis and C. glareolus was 12.9%. and 8.2%, respectively. The prevalence of infected A. agrarius and A. sylvaticus was 66.7% and 20%, respectively.

Conclusions

The presence of B. burgdorferi s.l. in the sampled animals suggests that rodent species may act as hosts for this pathogen and contribute to its maintenance in the environment.