Serological Evidence of Widespread Exposure to H5 Avian Influenza Virus in Arctic Foxes in Svalbard, Norway
Johanna Hol Fosse, Eva Fuglei, Francesco Bonfante, Line Olsen, Luca Bordes, Rebecca K. Davidson, Torill Mørk, Ida Kristin Myhrvold, Lone Thiel Engerdahl, Sandra Venema, Kjersti Sturød, Johan Åkerstedt, Olav Hungnes, Mónika Z. Ballmann, Lineke Begeman, , Bjørnar Ytrehus
The paper examines serological evidence of H5 avian influenza virus exposure in Arctic foxes in Svalbard, finding high seroprevalence and predominant H5N5 exposure in recent years.
bioRxiv · Sep 21, 2026 · PreprintMicrobiology