Outbreak Updates
17 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 16 September 2026, a total of 92 locally acquired West Nile virus cases have been reported during 2026. For the first time human West Nile virus cases have been detected in the departments of Aude (Occitanie), Seine-et-Marne (Île-de-France), Drôme (Auvergne-Rhône-Alpes), Loire-Atlantique, Maine-et-Loire (Pays de la Loire), and Loiret (Centre-Val de Loire). Please see our Topics in Brief article for further details on West Nile virus.
Take usual precautions
Help us to adapt a Travel Health Resource for UK Travellers
Take part in a study that aims to help UK travellers make informed choices about Japanese encephalitis (JE) vaccination.
Find out moreGet TravelHealthPro on your site
Integrate features of TravelHealthPro into your own website with our API and widget
