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Highly Pathogenic Avian Influenza A(H5N1) Caused Mass Death among Black-legged Kittiwakes ( <i>Rissa tridactyla</i> ) in Norway, 2023

2025-05-23

Abstract excerpt

In 2023, highly pathogenic avian influenza (HPAI) heavily affected gulls in Europe. In July, a mass mortality event was reported in the Black-legged Kittiwake ( Rissa tridactyla ) breeding colony at Ekkerøy in Northern Norway. The cause was confirmed to be infection with the HPAI H5N1 clade 2.3.4.4b virus, genotype EA-2022-BB. We describe the outbreak in Kittiwakes, including pathological and virological investig...

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Identifiers and source

Literature Corpus work
f21b6091-cdd9-53bb-b03b-2dda93c7c510
DOI
10.1101/2025.05.23.655725
Open publication

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Highly Pathogenic Avian Influenza A(H5N1) Caused Mass Death among Black-legged Kittiwakes ( <i>Rissa tridactyla</i> ) in Norway, 2023DOI 10.1101/2025.05.23.655725
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