Figure 1. Cumulative Incidences of Diagnosed Covid-19 and Cases of Out-of-Hospital Cardiac Arrest (OHCA) in Four Provinces in Lombardy, Italy, during the 40 days after February 20 in 2019 and 2020.

Panel A shows the data for all four provinces, and the other panels show the data for each individual province (Panel B, Lodi; Panel C, Cremona; Panel D, Pavia; and Panel E, Mantua). The vertical blue bars show the cumulative numbers of cases of OHCA per 100,000 inhabitants from February 21 through March 31, 2020, and the vertical orange bars show the cumulative numbers of cases of OHCA per 100,000 inhabitants from February 21 through April 1, 2019. The red line shows the cumulative number of cases of Covid-19 per 100,000 inhabitants in 2020.