Happy Smallpox Eradication Day [video](youtube.com)
youtube.com
Happy Smallpox Eradication Day [video]
https://www.youtube.com/watch?v=ljmifo4Klss
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See also https://www.effectivealtruism.org/articles/500-million-but-n...
https://www.youtube.com/watch?v=ljmifo4Klss