Highly pathogenic avian influenza virus (H5N5) detected in an Atlantic walrus (Odobenus rosmarus rosmarus) in the Svalbard Archipelago, Norway, 2023

We present the first documented case of highly pathogenic avian influenza virus (HPAIV) subtype H5N5 in an Atlantic walrus (Odobenus rosmarus rosmarus). The animal was found dead in Svalbard, Norway, in 2023. Sequence analysis revealed the highest genetic similarity with virus isolates from differen...

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Bibliographic Details
Published in:Emerging Microbes & Infections
Main Authors: Postel, Alexander, Gremmel, Nele, Lydersen, Christian, Kovacs, Kit M., Schick, Luca Aroha, Siebert, Ursula, Nymo, Ingebjørg H., Becher, Paul
Format: Article in Journal/Newspaper
Language:English
Published: Informa UK Limited 2025
Subjects:
article
ddc:570
Hochschulbibliographie allgemein
Verzeichnis wissenschaftlicher Veröffentlichungen
2025
Norway
Svalbard
Svalbard Archipelago
Odobenus rosmarus
walrus*
Online Access:https://doi.org/10.1080/22221751.2025.2456146
https://elib.tiho-hannover.de/receive/tiho_mods_00012779
https://elib.tiho-hannover.de/servlets/MCRFileNodeServlet/tiho_derivate_00003341/Highly%20pathogenic%20avian%20influenza%20virus%20H5N5%20detected%20in%20an%20Atlantic%20walrus%20Odobenus%20rosmarus%20rosmarus%20in%20the%20Svalbard%20Archipelago%20Norway%202023.pdf
https://www.tandfonline.com/doi/full/10.1080/22221751.2025.2456146
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Summary:We present the first documented case of highly pathogenic avian influenza virus (HPAIV) subtype H5N5 in an Atlantic walrus (Odobenus rosmarus rosmarus). The animal was found dead in Svalbard, Norway, in 2023. Sequence analysis revealed the highest genetic similarity with virus isolates from different avian hosts.

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