Why Masks Work BETTER Than You'd Think Posted by Lee Cruz on September 15, 2020 at 6:59pm Views: 18 1 Get Embed Code <iframe width="480" height="270" src="https://www.youtube.com/embed/Y47t9qLc9I4?feature=oembed&wmode=opaque" frameborder="0" allowfullscreen=""></iframe> Tags: safety, health, covid19, mask Thanks to the Heising-Simons foundation for their support: https://www.hsfoundation.org (their COVID-19 grants: https://www.hsfoundation.org/grants/covid-19-... You need to be a member of GNH Community to add comments! Join GNH Community Comments This reply was deleted. E-mail me when people leave their comments – Follow
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