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If you want to wipe out 80% of the world's population with a disease that has an 80% fatality rate, then every person on the planet (or close enough to round up to 100%) has to catch it within the ...
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If you want to wipe out 80% of the world's population with a disease that has an 80% fatality rate, then every person on the planet (or close enough to round up to 100%) has to catch it within the ...