Electronic Cigarette Smoking and Perception among Youth: The C.D.C. conceded that cloth masks do not protect against the virus as effectively as other masks.

Friday, January 14, 2022

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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