@DrDenaGrayson this post is also very helpful in explaining why the 2.5% CTR for the 1918 flu is wrong:
https://rybicki.blog/2018/04/11/1918-influenza-pandemic-case-fatality-rate/ …pic.twitter.com/PDHKDHGNUx
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Here's more: "Btw 50 -100 M people died, of 1.9 Bil alive at the time. This is a death toll of btw 2.6 and 5.2% of the WHOLE POPULATION, & is NOT a CTR. If about 1/3 of the population was affected, then the CFR would be ~7.5 – 15%, which is far higher than 2.5%"