By Roni Caryn Rabin and Sheryl Gay Stolberg from NYT World https://ift.tt/2Z1HGvt
The C.D.C. says tight-fit masks or double masking with cloth and surgical masks increases protection.
By Roni Caryn Rabin and Sheryl Gay Stolberg from NYT World https://ift.tt/2Z1HGvt
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