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30 July 2026
France + Occitanie
Provence Alpes-Côte d’Azur

West Nile virus in France

As of 27 July 2026, two locally acquired cases of West Nile virus were recorded in Pyrénées-Orientales (Occitanie) and Bouches-du-Rhône (Provence-Alpes-Côte d'Azur). Please see our Topics in Brief article for further details on West Nile Virus.

4
Take usual precautions
16 October 2025

West Nile virus in France

As of 13 October 2025, 48 locally acquired cases of West Nile virus were reported in France during 2025. Cases have been identified from 15 departments in the following regions: Provence Alpes-Côte d'Azur, Occitanie, Nouvelle-Aquitane and for the first time Île-de-France and Auvergne-Rhône-Alpes. Please see our Topics in Brief article for further details on West Nile virus.

3
Take usual precautions
18 September 2025

West Nile virus in France

As of 15 September 2025, 32 locally acquired cases of West Nile virus were reported in France. Cases have been identified from 10 departments in the following regions: Provence Alpes-Côte d'Azur, Occitanie, and for the first time Île-de-France and Auvergne-Rhône-Alpes. Please see our Topics in Brief article for further details on West Nile virus.

2
Take usual precautions
04 September 2025

West Nile virus in France

As of 3 September 2025, 20 locally acquired cases of West Nile virus were reported from France. Cases have been reported from Provence Alpes-Côte d'Azur, Occitanie, and for the first time Île-de-France and Auvergne-Rhône-Alpes. Please see our Topics in Brief article for further details on West Nile virus.

1
Take usual precautions
21 August 2025

West Nile virus in France

As of 19 August 2025, 13 locally acquired cases of West Nile virus were reported from France. Cases have been reported from Provence Alpes-Côte d'Azur, Occitanie, Corsica and for the first time Île-de-France. Please see our Topics in Brief article for further details on West Nile virus.

Take usual precautions