A lot has been learned.

In which area can this be said with certainty and substantiated with data.

But in the clinics, at least that's what the intensive care physicians say, real progress has been made since the first corona wave.

Only half as many Covid-19 patients have to be transferred from the normal ward to the intensive care unit.

Today, medical professionals are much better able to prevent a Covid-19 patient from requiring artificial ventilation or closer monitoring.