Exploration of COVID infection data in Italy: how high really was the first wave?

Official data for the COVID epidemic in Italy are availabe at https://github.com/pcm-dpc. The number of known active cases over time show a first wave of infections over March-June and a second one, much higher, started in October 2020 and still ongoing:

FIGURE 1. Number of known active COVID cases per day in Italy throughout 2020.
Continue reading