Key Points

• On June 23, 2019, all departments in the Centre-Val de Loire region were placed under a yellow heat wave alert. Between June 25, 2019, and July 1, 2019, all six departments in the region were under an orange heat wave alert. The orange alert was lifted on June 30 (as of the 6 a.m. map) for all departments in the region.

• Total healthcare utilization: Increase between June 25, 2019, and July 1, 2019, in emergency room visits for all causes (age 75 and older).

• Healthcare utilization for the iCanicule¹ composite indicator: Increase between June 25, 2019, and July 1, 2019, in the proportion of emergency room visits due to iCanicule among coded visits (ages 75 and older and all ages), in the proportion of hospitalizations following visits for iCanicule among coded hospitalizations (all ages), and a slight increase in the proportion of SOS Médecins calls for iCanicule (all ages and those aged 75 and older). Methodological details regarding the monitored indicators, surveillance procedures, and preventive measures implemented by Santé publique France are presented in a supplementary document.

¹ Hyperthermia, dehydration, and hyponatremia