Very small study showing no benefit for mask wearing ay preventing disease spread from #COVID19 patients
https://twitter.com/GermHunterMD/status/1247241667473633281 …
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Maybe useful insofar as determining whether citizens should wear surgical or other types of masks outside the home?
It gives us some information, but doesn't answer the main question - whether wearing a cloth mask prevents asymptomatic transmission (the primary rationale for masks in public)
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