1. Riley Parrish Riley Parrish United States says:

    And yet, this article is yet another publication of individuals not actually studying the effect of mask use. No one has actually put a mask up in front of a source with the pathogen and studied what actually got thru it! You just promoted another misleading article that does little more than steal the results of other studies that just did systematic reviews. Come on, someone actually do the real research like a real scientist.

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