I've read plenty of articles and studies on this
Posted on: July 14, 2020 at 08:30:27 CT
Sal CMSU
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and none of them have definitive proof that masks are effective. That's why I asked the poster to defend his claim in the OP. Also, I'm not conducting my own studies so of course I'll rely on others to provide the info for me.
Edited by Sal at 08:31:01 on 07/14/20