The CDC has conducted some actual science around Covid-19 transmissibility and mortality - and they have published the most likely scenario of how dangerous the virus is, by age group, on their website (September 10). The following reflects data that was current up to August 8.
If you click on the link, the first several pages of verbiage explain the methodology and many different inputs. You should read it all. Have a look at the highlighted portion of this chart, “Current Best Estimate,” and look at the second row of data, “Infection Fatality Rate” (mortality rates among people who contract Covid-19, by age group). Multiply the IFR by 100 to get percent.
1. 0-19 years old: 99.997% survival
2. 20-49 years old: 99.98% survival
3. 50-69 years old: 99.5% survival
4. 70+ years old: 94.6% survival
Breaking News: Governor DeSantis of Florida evidently reads my blog and calls BS on the Branch Covidians by cancelling their culture. Everything opens, all fines cancelled. Hopefully the other 49 states will follow suit.