https://www.vox.com/future-perfect/2023/5/3/23709475/smallpox-world-health-organization-disease-covid-vaccination-health
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How the world eradicated smallpox — and why it still matters - Vox.com
5/3/23 at 1:55pm
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Vox
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Kelsey Piper
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Forty-three years ago this week, the world was officially declared free of smallpox — but that should only be the beginning.
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