At least that would be helpful, I think it's more important than any kind of medicine as that's what vaccine do, to get rid of getting infected.
people who got sick can still be treated, in fact, we have a lot of people who were still able to recover after getting infected with the covid-19.
In the early weeks of the Covid-19 pandemic the fatality rate was up to 21% of those infected (
Source: https://www.worldometers.info/coronavirus/ ) now that fatality rate is down to just 6% which is more the earlier cases statistics dragging down the overall case numbers. Now that Doctors have been able to study cases and can see trends and patterns, more specialised care can be given which is keeping the fatality rates down.