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Do Face Masks Really Work?
Video Credit: CBS 4 WCCO Minnesota
Published on February 14, 2020 - Duration: 03:16s
Do Face Masks Really Work?
Amid fears of the coronavirus, stores all over the Twin Cities have sold out of face masks.
But do they really work?
(3:16).
WCCO 4 Mid-Morning – Feb.
14, 2020