High pathogenicity avian influenza (H5N1) in Northern Gannets ( Morus bassanus ): Global spread, clinical signs and demographic consequences

作者：Jude V. Lane, Jana W. E. Jeglinski, Stephanie Avery‐Gomm, Elmar Ballstaedt, Ashley C. Banyard, Tatsiana Barychka, Ian H. Brown, Brigitte Brugger, Tori V. Burt, Noah G. Careen, Johan H Funder Castenschiold, Signe Christensen‐Dalsgaard, Shannon Clifford, Sydney M. Collins, Emma J. A. Cunningham, Jóhannis Danielsen, Francis Daunt, Kyle J. N. d’Entremont, Parker Doiron, Steven Duffy, Matthew D. English, Marco Falchieri, Jolene A. Giacinti, Britt Gjerset, Silje Granstad, David Grémillet, Magella Guillemette, Gunnar Þór Hallgrímsson, Keith C. Hamer, Sjúrður Hammer, Katherine Harrison, Justin D. Hart, Ciaran Hatsell, Richard Humpidge, Joe James, Audrey Jenkinson, Mark Jessopp, Megan Jones, Stéphane Lair, Tom Lewis, Alexandra A. Malinowska, Aly McCluskie, Gretchen McPhail, Børge Moe, William A. Montevecchi, Greg Morgan, Caroline Nichol, Craig Nisbet, Bergur Olsen, Jennifer F. Provencher, Pascal Provost, Alex Purdie, Jean‐François Rail, Gregory J. Robertson, Yannick Seyer, Maggie Sheddan, Catherine Soos, Nia Stephens, Hallvard Strøm, Vilhjálmur Svansson, T. David Tierney, Glen Tyler, Tom Wade, Sarah Wanless, Christopher R. E. Ward, Sabina I. Wilhelm, Saskia Wischnewski, Lucy J. Wright, Bernie Zonfrillo, Jason Matthiopoulos, Stephen C. Votier · 发表于：Ibis · 年份：2023 · DOI：10.1111/ibi.13275 · 被引用次数：106 · 研究领域：Viral Infections and Vectors、Influenza Virus Research Studies、Animal Disease Management and Epidemiology

During 2021 and 2022 High Pathogenicity Avian Influenza (HPAI) killed thousands of wild birds across Europe and North America, suggesting a change in infection dynamics and a shift to new hosts, including seabirds. Northern Gannets Morus bassanus appeared to be especially severely impacted, but a detailed account of the data available is required to help understand how the HPAI virus (HPAIV) spread across the meta‐population, and the ensuing demographic consequences. Accordingly, we analyse information on confirmed and suspected HPAIV outbreaks across most North Atlantic Gannet colonies and, for the largest colony (Bass Rock, UK), provide impacts on population size, breeding success, and preliminary results on apparent adult survival and serology. Unusually high numbers of dead Gannets were first noted at colonies in Iceland during April 2022. Outbreaks in May occurred in many Scottish colonies, followed by colonies in Canada, Germany and Norway. By the end of June, outbreaks had occurred in colonies in Canada and the English Channel. Outbreaks in 12 UK and Ireland colonies appeared to follow a clockwise pattern with the last infected colonies recorded in late August/September. Unusually high mortality was recorded at 40 colonies (75% of global total colonies). Dead birds testing positive for HPAIV H5N1 were associated with 58% of these colonies. At Bass Rock, the number of occupied nest‐sites decreased by at least 71%, breeding success declined by c. 66% compared with the lo...