Key Points

• On August 8, 2020, Météo-France issued a red alert for the five departments in the Hauts-de-France region.

• Total healthcare utilization: From August 6 to 10, the rate of emergency room visits for all causes (among those aged 75 and older and all ages) was generally similar to what is typically observed during this time of year. Conversely, an increase in SOS Médecins calls for all causes (ages 75 and older and all ages) was observed between August 6, 2020, and August 10, 2020.

• Healthcare utilization for the iCanicule1 composite indicator: Between August 6 and 10, there was an increase in the proportion of SOS Médecins calls for iCanicule among all coded calls and in the proportion of emergency department visits for iCanicule among all coded visits (ages 75 and older and all ages). The proportion of hospitalizations following visits for iCanicule (ages 75 and older and all ages) also increased during this period.