Korean J Vet Res.
2024 Jun;64(2):e13. 10.14405/kjvr.20240016.
Dispensable role of wild rodents in avian influenza A virus transmission in Gyeonggi province, Korea
- Affiliations
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- 1Department of Microbiology, Kyungpook National University School of Medicine, Daegu 41944, Korea
- 2Untreatable Infectious Disease Institute, Kyungpook National University, Daegu 41944, Korea
- 3Division of Emerging Infectious Diseases, Bureau of Infectious Diseases Diagnosis Control, Korea Disease Control and Prevention Agency, Cheongju 28159, Korea
- 4Laboratory of Poultry Medicine, College of Veterinary Medicine, Seoul National University, Seoul 08826, Korea
- 5Research Institute for Veterinary Science, College of Veterinary Medicine, Seoul National University, Seoul 08826, Korea
- KMID: 2557340
- DOI: http://doi.org/10.14405/kjvr.20240016
Abstract
- Avian influenza A viruses (IAVs) present significant threats to both animal and human health through their potential for cross-species transmission and global spread. Clade 2.3.4.4 H5Nx highly pathogenic avian IAVs initially emerged in East Asia between 2013 and 2014. Since then, they have spread to Europe, Africa, and America via migratory bird flyways. However, beyond viral transmission primarily facilitated by migratory birds, the potential involvement of other intermediate factors for virus transmission remains poorly investigated. This study aimed to investigate the role of wild rodents as intermediary hosts in the ecology of avian IAVs in Gyeonggi province, South Korea. By capturing and analyzing 189 wild rodents near poultry farms and migratory bird habitats in 2013 and 2014 and employing serological assays and virus isolation techniques, we found no evidence of IAV infection among these populations. Our results suggest that wild rodents may not significantly contribute to the transmission dynamics of IAVs within these regions.
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