Wearing two masks on top of each other can reduce the transmission of the coronavirus by 96.5 percent. This is shown by research by the American CDC about which The Washington Post writes.
It is the combination of a surgical mask and a fabric mouth mask. Not only others are better protected if an infected person wears a double mouth mask, the person who wears them is also less likely to be infected. This confirms the director of the CDC, Rochelle P. Walensky, in a briefing to the White House on Wednesday.
Laboratory tests show that a double face mask offers much better protection. Better wearing a mouth mask also has a lot of effect, for example by tying a knot in the loop and folding the remaining material inwards.
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