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> Further, mask-wearing was already a well-established practice in medical settings to prevent the spread of respiratory disease from practitioners to patients
by DanBC 6y ago
> Further, mask-wearing was already a well-established practice in medical settings to prevent the spread of respiratory disease from practitioners to patients
We don't see much benefit there, either. See the "clean surgery" papers.
- xapata 6y agoThe evidence would have to be overwhelming that it's not helpful, because the prior is so strong.