Fig. 1.

Number of weekly OHCAs treated by the BLS teams since January 1, 2020.

(These data have been previously published²).

The solid black line represents the number of OHCAs per week since January 1, 2020;

The grey dotted line reports the median number of OHCAs per week during the 2016–2019 period and the dark and light grey areas their corresponding interquartile and minimum-to-maximum ranges, respectively.

The numbers 1–5, along the solid black line, refer to the following events:

1. Brigade Headquarters instructions to the rescue workers to wear the Full Personal Protective Equipment.

2. Provisory suspension of the use of the mobile-responder app (Paris Lockdown).

3. Limitation to one BLS crew per-patient instead of the two provided for in the pre-pandemic period.

4. ILCOR Interim Guidance for Basic and Advanced Life Support in Patients with Suspected or Confirmed COVID-19 (Originally published April 9, 2020).

5. Breaking out of confinement.