ArticleConservation physiology2025
Examining avian influenza virus exposure in seabirds of the northwest Atlantic in 2022 and 2023 via antibodies in eggs.
Article in Conservation physiology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed.
- Counting cases, conserving species: addressing highly pathogenic avian influenza in wildlife.Biological reviews of the Cambridge Philosophical Society · 2026Review
- Predicting high pathogenicity avian influenza H5N1 susceptibility in wild birds.Scientific reports · 2026Article
- Quantifying iris pigmentation irregularities following an avian influenza outbreak: implications for population-level disease surveillance in a colonial seabird.Conservation physiology · 2026Article
- Interannual differences in common eider duck exposure to avian influenza viruses at an Arctic colony.Conservation physiology · 2026Article
- Pathology and virology of natural high pathogenicity avian influenza A(H5N1) Gs/GD genotype BB virus infection in wild black-headed gulls (Chroicocephalus ridibundus).Veterinary research · 2025Article
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Authors and funding
26 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Seabirds are frequently infected by avian influenza virus (AIV), which prior to 2021 primarily consisted of low-pathogenic AIV with limited reports of disease during infection. However, since highly pathogenic AIV (HPAIV) H5N1 clade 2.3.4.4b was introduced to North America in late 2021, HPAIV outbreaks in seabirds have occurred in multiple regions, with high levels of morbidity and mortality in many species. While monitoring active viral infections is critical for tracking disease burden, monitoring prior viral exposure via antibody detection in species that experienced large outbreaks is important for identifying individual- and population-level impacts of AIV on immunity and survival. We capitalized on ongoing egg collection programmes to assess the prevalence of antibodies against AIV nucleoprotein (NP) and hemagglutinin subtype 5 (H5) in 523 eggs collected in 2022 and 2023 from 11 seabird species that breed in the northwestern Atlantic, including primarily samples from eastern Canada and two from western Iceland. The prevalence of AIV antibodies in eggs varied across regions, species and years. American common eider (
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