[ghostpepper]

Wouldn't that require two unrelated explanations for higher viral-outbreak mortality rates? Isn't the explanation that doesn't require a coincidence more plausible?

[n0rbwah]

> Wouldn't that require two unrelated explanations for higher viral-outbreak mortality rates?

That doesn't sound unreasonable at all when the two outbreaks are separated by a century. A lot has changed between 1920 and 2020.