Key Points

• From June 17, 2022, to June 18, 2022, Météo-France classified the Orne department as orange and the four other Normandy departments as yellow (Calvados, Eure, Manche, and Seine-Maritime).

• Total healthcare utilization: increase between June 17, 2022, and June 18, 2022, in SOS Médecins calls for all causes (ages 75 and older and all ages).

• Healthcare utilization for the iCanicule1 composite indicator: increase between June 17, 2022, and June 18, 2022, in the proportion of hospitalizations following iCanicule visits among coded hospitalizations (age 75 and older), the proportion of hospitalizations following iCanicule visits among all iCanicule visits (age 75 and older), and the proportion of emergency department visits for iCanicule among all coded emergency department visits (age 75 and older).