FIGURE 4.

Comparison of the week before, and 2 weeks after, the public announcement of the first confirmed coronavirus disease 2019 (COVID‐19) case in Italy (February 21, 2020). Panel A illustrates the daily number of (1) 1‐1‐2 calls for emergency medical services (EMS) overall, (2) ambulance dispatches, and (3) calls processed by the COVID‐19 medical response team. Panel B illustrates the day‐to‐day time intervals for (1) the time of receipt of the EMS dispatch call to on‐scene arrival time of the ambulances; (2) hold times for the processing and call transfer from the primary public safety answering point (PSAP) to the secondary EMS PSAP (PSAP‐2); and (3) hold time for ambulances waiting to report to the PSAP‐2 medical team for providing their on‐site medical report and receive directives from the medical team