Preliminary report: The most considerable outbreak of Legionnaires' disease in France in the last two decades, Albertville, September 2025
In September 2025, 50 laboratory-confirmed cases of Legionnaires' disease (LD) were identified in Albertville, in south-eastern France. Initially, 23 patients were only clinically diagnosed and only confirmed later due to limited sensitivity of the urinary antigen screening test used. All cases occurred within 12 days, suggesting a common point source of massive contamination. Despite investigations and the rapid response of LD surveillance partners, the outbreak source has not yet been identified. Vigilance is maintained to detect possible new cases.
Authors
- Aymeric Provost
- A. Merlet
- Muriel Deher
- Brune Joannard (ORCID: https://orcid.org/0000-0003-4753-0677)
- E. Forestier (ORCID: https://orcid.org/0000-0003-4414-0542)
- C Campese
- Guillaume Spaccaferri (ORCID: https://orcid.org/0000-0003-4068-0672)
- Jean-Marc Yvon
- N. Grangeret
- Sophie Jarraud (ORCID: https://orcid.org/0000-0001-5750-0215)
- Emmanuelle Vaissière
- Laëtitia Beraud
- Matthieu Curtil-Dit-Galin
- Albane Beaupoil
- Jean-Marie Kuntzelmann
- Christelle Nolibos
Institutions
- Synlab Czech (Czechia) (CZ)
- Albert Schweitzer Hospital (GA)
- Santé Publique France (FR)
- Hospices Civils de Lyon (FR)
- University of Clermont Auvergne (FR)
- Institut Régional d'Administration de Lyon (FR)
- Centre Hospitalier Métropole Savoie (FR)
- Public Health Agency (GB)
- Synerlab (France) (FR)
- Université Savoie Mont Blanc (FR)
- Lister Institute of Preventive Medicine (GB)
Publication Details
- Journal
- Eurosurveillance
- Published
- 2025-11-13
- DOI
- https://doi.org/10.2807/1560-7917.es.2025.30.45.2500813
- Primary Topic
- Legionella and Acanthamoeba research
- Type
- article
- Field-Weighted Citation Impact
- 0.00