Key points

• The heat wave ended on August 13, 2020.

• Total healthcare utilization: Increase since August 6, 2020, in emergency room visits across all age groups and for all causes. This increase is not observed for SOS Médecins consultations.

• Healthcare utilization for the iCanicule composite indicator: An increase in heat-related conditions among emergency room visits and SOS Médecins consultations through August 12, 2020, and August 9, 2020, respectively. Since then, a gradual decline in these indicators has been observed.