Re-Invasion of H5N8 High Pathogenicity Avian Influenza Virus Clade 2.3.4.4b in Hokkaido, Japan, 2020

Isoda, Norikazu; Twabela, Augustin T.; Bazarragchaa, Enkhbold et al.

Viruses-Basel, 2020, 12(12), 1439

Permalink : https://hdl.handle.net/2115/80402

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https://doi.org/10.3390/v12121439     33

論文情報

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アクセス権
open access
URI
https://hdl.handle.net/2115/80402
タイトル
Re-Invasion of H5N8 High Pathogenicity Avian Influenza Virus Clade 2.3.4.4b in Hokkaido, Japan, 2020
著者
Isoda, Norikazu ; Twabela, Augustin T. ; Bazarragchaa, Enkhbold ; Ogasawara, Kohei ; Hayashi, Hirotaka ; Wang, Zu-Jyun ; Kobayashi, Daiki ; Watanabe, Yukiko ; Saito, Keisuke ; Kida, Hiroshi ; Sakoda, Yoshihiro
e-Rad_Researcher
80615732
著者名
Isoda, Norikazu
著者名
Twabela, Augustin T.
著者名
Bazarragchaa, Enkhbold
著者名
Ogasawara, Kohei
著者名
Hayashi, Hirotaka
著者名
Wang, Zu-Jyun
著者名
Kobayashi, Daiki
著者名
Watanabe, Yukiko
著者名
Saito, Keisuke
e-Rad_Researcher
10109506
著者名
Kida, Hiroshi
e-Rad_Researcher
40333637
著者名
Sakoda, Yoshihiro
言語
英語
キーワード
highly pathogenic avian influenza
clade 2.3.4.4
H5N8
発行日
2020-12
出版者
MDPI
収録物名
Viruses-Basel
巻(号)
12(12)
ページ
1439
抄録
Global dispersion of high pathogenicity avian influenza (HPAI), especially that caused by H5 clade 2.3.4.4, has threatened poultry industries and, potentially, human health. An HPAI virus, A/northern pintail/Hokkaido/M13/2020 (H5N8) (NP/Hok/20) belonging to clade 2.3.4.4b, was isolated from a fecal sample collected at a lake in Hokkaido, Japan where migratory birds rested, October 2020. In the phylogenetic trees of all eight gene segments, NP/Hok/20 fell into in the cluster of European isolates in 2020, but was distinct from the isolates in eastern Asia and Europe during the winter season of 2017-2018. The antigenic cartography indicates that the antigenicity of NP/Hok/20 was almost the same as that of previous isolates of H5 clade 2.3.4.4b, whereas the antigenic distances from NP/Hok/20 to the representative strains in clade 2.3.4.4e and to a strain in 2.3.4 were apparently distant. These data imply that HPAI virus clade 2.3.4.4b should have been delivered by bird migration despite the intercontinental distance, although it was not defined whether NP/Hok/20 was transported from Europe via Siberia where migratory birds nest in the summer season. Given the probability of perpetuation of transmission in the northern territory, periodic updates of intensive surveys on avian influenza at the global level are essential to prepare for future outbreaks of the HPAI virus.
資源タイプ
学術雑誌論文
出版タイプ
Version of Record
権利情報
Creative Commons Attribution 4.0 International
関連情報 (isIdenticalTo)
出版社版DOI
https://doi.org/10.3390/v12121439