Quote:
Originally Posted by gregpark
The 1918 flu killed 50 million, a third of the world's population then. That would equate to 2 billion today. The covid19 pandemic pales in comparison to the 1918 pandemic Not enough people have been vaccinated yet for covid19 to explain the drop in infections or deaths. I think it requires 70 or 80 percent to be vaccinated before showing effectiveness? Maybe it's run its course naturally .
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My 2 million number was for the US alone.
It has to have an R0 below a 1 to decrease spread.
Social distancing and masking drops the R by some amount.
The number of people infected with immunity drops it some more.
Current vaccinations drop it by an additional amount. (At least 10% of the population has had at least 1 dose)
Add those three together and the R is less than 1. Spread decreases.