No, thats the -Proportionate mortality-der Teufel wrote: ↑Wed Apr 22, 2020 10:33 am The CDC statistics don't necessarily include the TOTAL population of the United States.
They state "A mortality rate is a measure of the frequency of occurrence of death in a defined population during a specified interval."
— Emphasis added
In this case I believe the "defined population" would be, as TAM noted, those who had experienced the disease.
Did you read the CDC link?
https://www.cdc.gov/csels/dsepd/ss1978/ ... tion3.html