It been the best and most clearest illustration of mask use yet
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Thanks. Twitter will use this to make your timeline better. UndoUndo
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I wonder if masks really work? What's the point in wearing them if you R infected with early stages of the virus Let's say someone infected walks into the room with a mask Is there or isn't there a way he or she can or cannot infect others just cause he or she wears a silly mask?
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Look at the graphic .. there is always a chance, but if you provide ANY obstruction for particles you then mathematically reduce the chance of infecting others. This is an axiom.
#BLM#MathWorks#ScienceIsReal
End of conversation
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