Plague Legends
guernicamag.com
guernicamag.com
Yes, people would have noticed. HIV is much less contagious and was quickly noted once it started spreading more quickly.
I think also with the Spanish Flu it was more younger people who died. A lot of people who "died from Covid" are already much older than people would have gotten 100 years ago.
Excess mortality because of Covid is barely visible in many countries.
Anyway, it is all speculation at this point, would have to dig up more data. It's just an opinion.
Why on earth are you so dismissive of the danger here?