Evidence map›Paper›PMID 42606890›Full record

ArticleThe Journal of general virology2026

Multiple introductions of highly pathogenic avian influenza viruses into the High Arctic: Svalbard and Jan Mayen, 2022-2025.

Silje Granstad, Ragnhild Tønnessen, Bjørnar Ytrehus, Sebastien Descamps, Børge Moe, Hallvard Strøm, Geir Wing Gabrielsen, Sveinn Are Hanssen, Egil Rønning, Ole-Herman Tronerud and 6 more

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Article in The Journal of general virology, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

0numbers the graph read from it
0cells of the map it votes in
0citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

0 citing papers in PubMed.

No citing paper in PubMed yet.

4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

16 authors.

Silje GranstadNorwegian Veterinary Institute, Ås, Norway.
Ragnhild TønnessenNorwegian Veterinary Institute, Ås, Norway.
Bjørnar YtrehusNorwegian Veterinary Institute, Ås, Norway.
Sebastien DescampsHigh North Research Centre for Climate and the Environment, Norwegian Polar Institute, Tromsø, Norway.
Børge MoeNorwegian Institute for Nature Research, Trondheim, Norway.
Hallvard StrømHigh North Research Centre for Climate and the Environment, Norwegian Polar Institute, Tromsø, Norway.
Geir Wing GabrielsenHigh North Research Centre for Climate and the Environment, Norwegian Polar Institute, Tromsø, Norway.
Sveinn Are HanssenNorwegian Institute for Nature Research, Oslo, Norway.
Egil RønningGovernor of Svalbard, Svalbard, Norway.
Ole-Herman TronerudNorwegian Food Safety Authority, Oslo, Norway.
Maarten J J E LoonenArctic Centre, University of Groningen, Groningen, Netherlands.
Britt GjersetNorwegian Veterinary Institute, Ås, Norway.
Hans Kristian MjeldeNorwegian Veterinary Institute, Ås, Norway.
Knut MadslienNorwegian Veterinary Institute, Ås, Norway.
Johan ÅkerstedtNorwegian Veterinary Institute, Ås, Norway.
Cathrine Arnason BøeNorwegian Veterinary Institute, Ås, Norway.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Between 2022 and 2025, highly pathogenic avian influenza viruses (HPAIVs) of clade 2.3.4.4b, including four distinct H5 Eurasian (EA) genotypes, were detected in wild birds and mammals in the Svalbard Archipelago and on the island of Jan Mayen. We describe their epidemiology and genomic characteristics to improve understanding of HPAIV occurrence and transmission in the High Arctic. The initial cases in 2022 occurred during summer and involved a glaucous gull (

Indexed as

Influenza A virusInfluenza in BirdsOrthomyxoviridae InfectionsAnimalsAnimals, WildArctic RegionsBirdsCharadriiformesGenotypeInfluenza A Virus, H5N1 SubtypePhylogenySvalbardH5N1H5N5High Arctichighly pathogenic avian influenzasurveillancewildlife

Identifiers

PMID42606890
PMCPMC13481042

What OpenQuestion holds

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Registered trials

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.