Double-masking or wearing a cloth face covering over a medical procedure mask, increases a person's protection against exposure to COVID-19 virus particles by more than 90%, according to an analysis released today (February 10, 2021) by the U.S. Centers for Disease Control and Prevention (CDC), the UPI website reports.
In addition, when two people in close contact are both double-masking or wearing properly fitted medical procedure masks over their nose and mouth, protection against coronavirus transmission increases more than 95%, the data showed.
The findings highlight the importance of good fit to maximize overall mask performance, the agency researchers said.
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