Key Points

Extreme heat, heat wave

• End of the heat wave (August 20–25). No new heat wave expected in the coming days;

• Rise in heat-related morbidity indicators.

Dengue, West Nile

• 47 imported cases of dengue identified since May 1, 2023;

• Outbreak of locally transmitted dengue in the Bouches-du-Rhône department (4 cases);

• 6 locally transmitted cases of West Nile virus identified in the region.

Pollen

• Moderate to high allergy risk, particularly due to ragweed pollen.