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

Year: 2025

Type: article

Abstract: 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.

Source: Emerging Microbes & Infections

DOI: 10.1080/22221751.2025.2456146

Authors: Alexander Postel, Nele Gremmel, Christian Lydersen, Kit M. Kovacs, Luca A. Schick, Ursula Siebert, Ingebjørg H. Nymo, Paul Becher

Institutions: University of Veterinary Medicine Hannover, Foundation, The FRAM Centre, Norwegian Polar Institute, Aarhus University, Norwegian Veterinary Institute, UiT The Arctic University of Norway

Language: English

Topic: Influenza Virus Research Studies

Subfield: Epidemiology

Field: Medicine

Domain: Health Sciences

SDG: Good health and well-being

Open Access status: gold

Estimated APC paid: $2,643

Funders: Norges Forskningsråd, Stiftung Tierärztliche Hochschule Hannover

Award: G1494029699

OpenAlex ID: W4406869724

FWCI: 4.268

Cites: 13

Cited by: 7

Related to: 10