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  • P-ISSN2765-2203
  • E-ISSN2765-2211
  • KCI Candidate

ISSN : 2765-2203

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    Vol.6 No.1

    PubReader Citation Share

    Evidence of Intercontinental Transmission of Highly Pathogenic Avian Influenza (H5N1) Virus in 2023 in Jeju Island, South Korea

    Proceedings of the National Institute of Ecology of the Republic of Korea / Proceedings of the National Institute of Ecology of the Republic of Korea, (P)2765-2203; (E)2765-2211
    2025, v.6 no.1, pp.40-49
    https://doi.org/10.22920/PNIE.2025.6.1.40
    Van Thi Lo (College of Natural Sciences, Chungbuk National University)
    Jin Ho Jang (College of Veterinary Medicine, Jeju National University)
    Seong Sik Jang (College of Natural Sciences, Chungbuk National University)
    Da Young Mun (College of Natural Sciences, Chungbuk National University)
    Min Chang Kang (College of Natural Sciences, Chungbuk National University)
    Sungsu Youk (Chungbuk National University College of Medicine)
    Young-Min Yun (College of Veterinary Medicine, Jeju National University)
    Hye Kwon Kim (College of Natural Sciences, Chungbuk National University)
    Lo, V. T., Jang, J. H., Jang, S. S., Mun, D. Y., Kang, M. C., Youk, S., Yun, Y., & Kim, H. K. (2025). Evidence of Intercontinental Transmission of Highly Pathogenic Avian Influenza (H5N1) Virus in 2023 in Jeju Island, South Korea. , 6(1), 40-49, https://doi.org/10.22920/PNIE.2025.6.1.40

    Abstract

    We isolated a highly pathogenic avian influenza A virus (HPAIV) H5N1 clade 2.3.4.4b, A/Northern Shoveler/Jeju/D60/2023, from a deceased shoveler in Jeju Island, South Korea, in December 2023. The isolate was genetically related to HPAIVs in North America and Japan, which have recently caused a pandemic. Phylogeographic analysis showed that the isolated H5N1 virus had a different origin compared to those recently reported in the mainland of South Korea, with the HA and NA gene segments closely related to those from Japan and North America, respectively. This finding highlights the multi-faceted introduction of the genetically distinct HPAIV H5N1 into South Korea and provides potential evidence of intercontinental transmission between North America and East Asia.

    keywords
    Highly pathogenic avian influenza, H5N1, Japan, Jeju Island, North America, South Korea
    Submission Date
    2024-11-08
    Revised Date
    2025-01-03
    Accepted Date
    2025-01-06

    Proceedings of the National Institute of Ecology of the Republic of Korea

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