Occitanie
Île-de-France
Auvergne-Rhône Alpes
Provence Alpes-Côte d’Azur
West Nile virus in France
As of 6 September 2026, a total of 56 locally acquired West Nile virus cases have now been reported during 2026 in the regions of Auvergne-Rhône-Alpes, Île-de-France, Nouvelle-Aquitaine, Occitanie and Provence-Alpes-Côte d'Azur of mainland France. This is the first time human West Nile virus cases have been detected in the departments of Aude (Occitanie), Seine-et-Marne (Île-de-France) and Drôme (Auvergne-Rhône-Alpes). For six cases, no specific place of infection could be identified. Please see our Topics in Brief article for further details on West Nile virus.
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