Key Points

Extreme heat, heat waves

• A regional analysis of emergency care utilization indicates an increase in the iCanicule composite health indicator (including heatstroke/hyperthermia, dehydration, and hyponatremia) for these three departments under an orange alert, but the increase is not limited to the heat wave period (for example, a higher peak in activity was observed on July 11, when all departments were under a green alert) and extends to other departments in the region under a yellow alert.