HT, BA77, here is a plot of CFR vs median age, with size of bubble keyed to number of fatalities:
In this context, Prof Didier Raoult’s 1061 case study’s low fatality rate for elderly persons, 0.5% as reported, seems quite significant.
Related, here is the Chinese CDC report on CFR by age:
Then, we may note Raoult’s observed pattern for treatment:
I trust these will be helpful. END