TWiV 856: COVID-19 clinical update #98 with Dr. Daniel Griffin
This Week in Virology
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Is a Double Layered Cloth Mask Effective?
i don't think the material makes all th much difference. Unfortunately, columbia now will not let me on campus with a cloth mask. I have to have a surgical mask or some other in a k n 95 or something. Id want to point this out. This was a pragmatic recommendation. Nobody is saying that at day five you are no longer infectious and can go have some big indoor party in your suburban home. i guess you can, but if you invite me, i'm not common.
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