Outbreak Updates
25 September 2026
France +
Nouvelle-Aquitaine
Occitanie
Île-de-France
Auvergne-Rhône Alpes
Provence Alpes-Côte d’Azur
Pays de la Loire
Centre-Val de Loire
Occitanie
Île-de-France
Auvergne-Rhône Alpes
Provence Alpes-Côte d’Azur
Pays de la Loire
Centre-Val de Loire
West Nile virus in France
As of 21 September 2026, 117 autochthonous cases of West Nile virus have been recorded in Provence-Alpes-Cote d'Azur, Occitanie, Ile-de-France, Auvergne-Rhone-Alpes, Nouvelle-Aquitaine, Pays de la Loire and Centre-Val de Loire. Please see our Topics in Brief article for further details on West Nile virus.
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