The (Second) Deadliest Virus

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Sources & further reading: https://sites.google.com/view/sources-smallpox/ This video was made possible through a grant by Open Philanthropy. Check out '500 Million, But Not A Single One More' by Rational Animations here: https://youtu.be/ljmifo4Klss?si=uo5YKgXY5ghquPTs Continue learning about the