Key Points

• Météo-France has issued an orange heat wave alert for the departments of Ille-et-Vilaine and Morbihan from June 16 to 18, 2022.

• Total healthcare utilization: Increase between June 16, 2022, and June 18, 2022, in SOS Médecins calls for all causes among those aged 75 and older compared to the previous three equivalent days.

• Healthcare utilization for the iCanicule composite indicator: On June 17 and 18, an increase in emergency room visit rates for the iCanicule composite indicator and in the number of hospitalizations following visits (all ages and among those aged 75 and older). On June 17, there was a peak in SOS Médecins procedures for the composite indicator (iCanicule) (n = 8, representing 2.1% of coded diagnoses).