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"please get the vaccine, oh please oh Please. Save the 🌍." How did homo sapiens survive "200,000 years" w/o the vaccine?

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QuixoticSoul · 41-45, M
With low average life expectancy, and regular deadly epidemics once we moved out of “isolated bands of Hunter-Gatherers” stage.

These epidemics never threatened us as a species - just as covid doesn’t threaten us now, but we’re highly disruptive geopolitically and economically - just as covid is now.

Anyway, things got better for us once science and medicine got their footing on this issue. A whole lot better.
samueltyler2 · 80-89, M
@QuixoticSoul several plaques did significant risk human existence! The concept of herd immunity probably limited the deaths and allowed continuation of the species.

Would you want to go back even a couple of hundred years ago, to the time when having 5 or more children was common as was having only 1 or 2 reach adulthood?