When the system is overwhelmed that 5% critical becomes 5% dead. Add to that the 2% or 3% that it kills outright and we have a death rate of 7% to 8%. Add to that another 2% of older people with “severe” symptoms dying and we have 10% kill rate if it’s not stopped.
Meadows self-quarantines after possible exposure to coronavirus patient
That’s why it is so hard to calculate CFR. The CFR is in part dependent on the available healthcare. The vast difference between Germany and Singapore vs. Iran and Italy is what hc resources are available.
And when that overwhelmed HCS collapses, that 10% becomes the floor.