Smallpox used to kill millions of people every year. Here’s how humans beat it

vox.com/future-perfect/21493812/smallpox-eradication-vaccines-infectious-disease-covid-19

A smallpox vaccination center in Bihar, India, in 1974. | Santosh Basak/Gamma-Rapho via Getty Images
More than a million Americans have died of Covid-19, while the global death toll stands at over 15 million. It has been a horrifying and largely unnecessary tragedy, one that risks…

This story appeared on vox.com, 2025-05-08 10:30:00.
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