Evidence map›Paper›PMID 34050216›Full record

ArticleScientific reports2021

Genetic and antigenic evolution of H1 swine influenza A viruses isolated in Belgium and the Netherlands from 2014 through 2019.

Sharon Chepkwony, Anna Parys, Elien Vandoorn, Wojciech Stadejek, Jiexiong Xie, Jacqueline King, Annika Graaf, Anne Pohlmann, Martin Beer, Timm Harder and 1 more

Abstract read
In one paragraph

Article in Scientific reports, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 20 papers.

0numbers the graph read from it
0cells of the map it votes in
20citing 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

20 citing papers in PubMed.

  1. Review
  2. Article
  3. Article
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  5. Review
  6. Article
  7. Human infections with Eurasian avian-like swine influenza virus detected by coincidence via routine respiratory surveillance systems, the Netherlands, 2020 to 2023.Euro surveillance : bulletin Europeen sur les maladies transmissibles = European communicable disease bulletin · 2025
    Article
  8. Article
  9. Article
  10. Review
  11. Article
  12. Article
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  15. Mapping SARS-CoV-2 antigenic relationships and serological responses.bioRxiv : the preprint server for biology · 2023
    Article
  16. Article
  17. Article
  18. Article
  19. Article
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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

11 authors.

Sharon ChepkwonyLaboratory of Virology, Department of Virology, Parasitology and Immunology, Faculty of Veterinary Medicine, Ghent University, Salisburylaan 133, 9820, Merelbeke, Belgium.
Anna ParysLaboratory of Virology, Department of Virology, Parasitology and Immunology, Faculty of Veterinary Medicine, Ghent University, Salisburylaan 133, 9820, Merelbeke, Belgium.
Elien VandoornLaboratory of Virology, Department of Virology, Parasitology and Immunology, Faculty of Veterinary Medicine, Ghent University, Salisburylaan 133, 9820, Merelbeke, Belgium.
Wojciech StadejekLaboratory of Virology, Department of Virology, Parasitology and Immunology, Faculty of Veterinary Medicine, Ghent University, Salisburylaan 133, 9820, Merelbeke, Belgium.
Jiexiong XieLaboratory of Virology, Department of Virology, Parasitology and Immunology, Faculty of Veterinary Medicine, Ghent University, Salisburylaan 133, 9820, Merelbeke, Belgium.
Jacqueline KingInstitute of Diagnostic Virology, Friedrich-Loeffler-Institut (FLI), Suedufer 10, 17493, Greifswald-Insel Riems, Germany.
Annika GraafInstitute of Diagnostic Virology, Friedrich-Loeffler-Institut (FLI), Suedufer 10, 17493, Greifswald-Insel Riems, Germany.
Anne PohlmannInstitute of Diagnostic Virology, Friedrich-Loeffler-Institut (FLI), Suedufer 10, 17493, Greifswald-Insel Riems, Germany.
Martin BeerInstitute of Diagnostic Virology, Friedrich-Loeffler-Institut (FLI), Suedufer 10, 17493, Greifswald-Insel Riems, Germany.
Timm HarderInstitute of Diagnostic Virology, Friedrich-Loeffler-Institut (FLI), Suedufer 10, 17493, Greifswald-Insel Riems, Germany.
Kristien Van ReethLaboratory of Virology, Department of Virology, Parasitology and Immunology, Faculty of Veterinary Medicine, Ghent University, Salisburylaan 133, 9820, Merelbeke, Belgium. Kristien.Vanreeth@UGent.be.

Funding

Belgian Federal Service for Public Health, Food Chain Safety and Environment RF 16/6305European Union's Horizon 2020 research and innovation programme (DELTAFLU) 727922NIAID NIH HHS HHSN272201400008C
6 · The paper itself

Abstract

Surveillance of swine influenza A viruses (swIAV) allows timely detection and identification of new variants with potential zoonotic risks. In this study, we aimed to identify swIAV subtypes that circulated in pigs in Belgium and the Netherlands between 2014 and 2019, and characterize their genetic and antigenic evolution. We subtyped all isolates and analyzed hemagglutinin sequences and hemagglutination inhibition assay data for H1 swIAV, which were the dominant HA subtype. We also analyzed whole genome sequences (WGS) of selected isolates. Out of 200 samples, 89 tested positive for swIAV. swIAV of H1N1, H1N2 and H3N2 subtypes were detected. Analysis of WGS of 18 H1 swIAV isolates revealed three newly emerged genotypes. The European avian-like H1 swIAV (lineage 1C) were predominant and accounted for 47.2% of the total isolates. They were shown to evolve faster than the European human-like H1 (1B lineage) swIAV, which represented 27% of the isolates. The 2009 pandemic H1 swIAV (lineage 1A) accounted for only 5.6% of the isolates and showed divergence from their precursor virus. These results point to the increasing divergence of swIAV and stress the need for continuous surveillance of swIAV.

Indexed as

AnimalsBelgiumBiological EvolutionEpitopesEvolution, MolecularGenotypeHemagglutination Inhibition TestsHemagglutinin Glycoproteins, Influenza VirusInfluenza A virusNetherlandsOrthomyxoviridae InfectionsPhylogenySequence Analysis, DNASwineSwine DiseasesEpitopesHemagglutinin Glycoproteins, Influenza Virus

Identifiers

PMID34050216
PMCPMC8163766

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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.