Why are so many people dying from the coronavirus in Italy?

There are more cases still covered.
2. Italy’s health care system has already overloaded. Let the confirmed people be isolated at home is not a good policy) Let all confirmed people stay in one place is the only right policy. Otherwise, there will always be people who go to touch others without being properly protected.

3 Some people wear no mask, which helps the virus spread

4 Your formula of calculation has some problems just as other people say.