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