It’s possible, but all the evidence we have suggests masks don’t protect the mask wearer but protect others FROM the mask-wearer, so as the unvaccinated share shrinks, the benefits to the unvaccinated of masking would tend to fall.https://twitter.com/prchovanec/status/1393544008517947398 …
Replying to @lymanstoneky @WomanCorn
even though masks do seem more effective at source control, they do work to protect the wearer, and the really good ones (n95 and up) do very well at this
2:00 PM - 15 May 2021
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