Friday 20 May 2022

Smallpox used to kill millions every year. Here’s how humans beat it: More contagious than Covid-19 and with a 30 percent mortality rate, smallpox was one of history’s biggest killers. Now it’s gone.

Smallpox used to kill millions every year. Here’s how humans beat it: More contagious than Covid-19 and with a 30 percent mortality rate, smallpox was one of history’s biggest killers. Now it’s gone. submitted by /u/shallah
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