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Why Masks Work BETTER Than You’d Think.

The math of masks.

This video is about how masks (whether surgical, or N95, or cloth) are counterintuitive and actually work much better epidemiologically than one might expect. Masks do double-duty, and the fraction of interactions with masks is much higher than the fraction of people wearing masks, so partially adopted, partially effective masks are able to reduce the basic reproduction number surprisingly well

This is somewhat fascinating when you watch it because it turns out there is more to the effectiveness of masks that you may think.



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