The C.D.C. conceded that cloth masks do not protect against the virus as effectively as other masks.
By BY APOORVA MANDAVILLI from NYT Health https://ift.tt/3KdS3CD
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The C.D.C. conceded that cloth masks do not protect against the virus as effectively as other masks.
![The C.D.C. conceded that cloth masks do not protect against the virus as effectively as other masks.]()
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