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A conversation about how the lessons from the victory over smallpox could be applied to public health challenges today.

United statesNew yorkHarlan clevelandHelene gayleTony fauciMichael osterholmRoger baconWill durantMerina pradhanMark rosenbergAyo femi osinubiDavid torresPaurvi bhattMadhukar paiRichard feynmanYogesh parashar