Widespread circulation of West Nile and Usutu viruses in sedentary and migratory avifauna: A two-year study (2024–2025) of active surveillance in South of France

Rachel Beaubaton; Justine Revel; Laetitia Pigeyre; Alexandre Lepeule; Julien Joly; Christophe de Franceschi; Anne Charmantier; Benjamin Vollot; Yannick Simonin

doi:10.1371/journal.pntd.0014397

Loading metrics

Open Access

Peer-reviewed

Research Article

Widespread circulation of West Nile and Usutu viruses in sedentary and migratory avifauna: A two-year study (2024–2025) of active surveillance in South of France

Rachel Beaubaton ,

Contributed equally to this work with: Rachel Beaubaton, Justine Revel

Roles Formal analysis, Investigation, Methodology, Writing – original draft

Affiliation Pathogenesis and Control of Chronic and Emerging Infections (PCCEI), Université de Montpellier, Inserm, Montpellier, France
⨯
Justine Revel ,

Contributed equally to this work with: Rachel Beaubaton, Justine Revel

Roles Investigation, Methodology, Writing – original draft, Writing – review & editing

Affiliation Pathogenesis and Control of Chronic and Emerging Infections (PCCEI), Université de Montpellier, Inserm, Montpellier, France
⨯
Laetitia Pigeyre,

Roles Investigation

Affiliation Pathogenesis and Control of Chronic and Emerging Infections (PCCEI), Université de Montpellier, Inserm, Montpellier, France
⨯
Alexandre Lepeule,

Roles Investigation

Affiliation Pathogenesis and Control of Chronic and Emerging Infections (PCCEI), Université de Montpellier, Inserm, Montpellier, France
⨯
Julien Joly,

Roles Formal analysis

Affiliation Pathogenesis and Control of Chronic and Emerging Infections (PCCEI), Université de Montpellier, Inserm, Montpellier, France
⨯
Christophe de Franceschi,

Roles Resources, Writing – review & editing

Affiliation CEFE, Univ Montpellier, CNRS, EPHE, IRD, Montpellier, France
⨯
Anne Charmantier,

Roles Resources, Writing – review & editing

Affiliation CEFE, Univ Montpellier, CNRS, EPHE, IRD, Montpellier, France
⨯
Benjamin Vollot,

Roles Resources, Writing – review & editing

Affiliation BV'Nat, Expert Indépendant, Aigues-Vives, France
⨯
Yannick Simonin

Roles Conceptualization, Formal analysis, Funding acquisition, Project administration, Resources, Supervision, Validation, Writing – original draft

* E-mail: yannick.simonin@umontpellier.fr

Affiliation Pathogenesis and Control of Chronic and Emerging Infections (PCCEI), Université de Montpellier, Inserm, Montpellier, France

https://orcid.org/0000-0002-3475-1369

⨯

Widespread circulation of West Nile and Usutu viruses in sedentary and migratory avifauna: A two-year study (2024–2025) of active surveillance in South of France

Rachel Beaubaton,
Justine Revel,
Laetitia Pigeyre,
Alexandre Lepeule,
Julien Joly,
Christophe de Franceschi,
Anne Charmantier,
Benjamin Vollot,
Yannick Simonin

Published: September 3, 2026
https://doi.org/10.1371/journal.pntd.0014397

Reader Comments (0)

Post a new comment on this article

Subject Areas
?

For more information about PLOS Subject Areas, click here.
We want your feedback. Do these Subject Areas make sense for this article? Click the target next to the incorrect Subject Area and let us know. Thanks for your help!

West Nile virus
Is the Subject Area "West Nile virus" applicable to this article?

Thanks for your feedback.
Birds
Is the Subject Area "Birds" applicable to this article?

Thanks for your feedback.
Animal migration
Is the Subject Area "Animal migration" applicable to this article?

Thanks for your feedback.
Europe
Is the Subject Area "Europe" applicable to this article?

Thanks for your feedback.
Co-infections
Is the Subject Area "Co-infections" applicable to this article?

Thanks for your feedback.
Passerines
Is the Subject Area "Passerines" applicable to this article?

Thanks for your feedback.
Mosquitoes
Is the Subject Area "Mosquitoes" applicable to this article?

Thanks for your feedback.
Wetlands
Is the Subject Area "Wetlands" applicable to this article?

Thanks for your feedback.