Agreed. There are literally dozens and dozens of peer reviewed studies published on quality journals regarding the efficacy of masks. They aren't hard to find.
Posting a video from a known Russian owned conspiracy theorist media outlet (RT) as some sort of evidence isn't going against mainstream media, it is swallowing garbage from a "news" source that has routinely been caught spreading misinformation that supports whatever Putin's current agenda may be.
The only question mark over masks has been how effective they are to constant exposure over a long period, such as with frontline health workers dealing with long shifts of constant exposure, in that instance respirators were recommended in one study.
Masks, combined with hand washing and social distancing, work.











					
					
					
						
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