Excellent article on herd-immunity and how vaccines affect it, R0, and fatality rate.
I would encourage everyone to read this. It also has a tool you can use to demonstrate how many people need to get the disease for herd immunity and what the total fatalities would be based upon the fatality rate.
https://fivethirtyeight.com/features...-wont-save-us/
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"When the Know-Nothings get control, it will read 'all men are created equal, except negroes, and foreigners, and Catholics.' When it comes to this I should prefer emigrating to some country where they make no pretense of loving liberty – to Russia, for instance, where despotism can be taken pure, and without the base alloy of hypocrisy.”--Abraham Lincoln
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