Key Points

Dengue, West Nile

• One imported case of dengue fever identified since May 1, 2023, in Corsica;

• Active West Nile virus circulation in Nouvelle-Aquitaine and Provence-Alpes-Côte d'Azur.

Extreme heat, heat wave

End of the heatwave in the region (August 20–25). No new heatwave expected in the coming days. Slight increase in heat-related morbidity indicators.

Pollen

The allergy risk across the entire region is low, associated with grass and nettle pollen (source: RNSA).