Journal of Veterinary Science

The Korean Society of Veterinary Science (대한수의학회)
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Evolution and international transmission of H3N2 canine influenza A viruses from Korea during 2014-2017

  • Chung-Young Lee (Department of Microbiology, School of Medicine, Kyungpook National University)
  • Received : 2023.04.12
  • Accepted : 2023.09.10
  • Published : 2023.11.30
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Abstract

Avian-origin H3N2 canine influenza A viruses (CIVs) have become enzootic in China and Korea and have sporadically transmitted to North America, causing multiple epidemics. We isolated six CIVs in Korea from CIV-infected patients during 2014-2017 and conducted whole genome sequencing and phylogenetic analyses. Results revealed that CIVs have circulated and evolved in Korea since the early 2000s and then diversified into a new clade, probably contributing to multiple epidemics in China, the USA, and Canada. Our findings bridge an evolutionary gap for understanding the global transmission of CIVs, emphasizing the significance of continuous monitoring of CIVs.

Keywords

Acknowledgement

The author is grateful for the technical advice from Junghoon Kwon at Kyungpook National University, College of Veterinary Medicine. The author also appreciates Jin-Ha Song and Seung-Eun Son for their technical assistance.

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