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Research Shows How Much Masks Can Hold Back Germs

Video Credit: CBS 4 WCCO Minnesota - Duration: 01:56s - Published
Research Shows How Much Masks Can Hold Back Germs

Research Shows How Much Masks Can Hold Back Germs

Face coverings are now mandated in Minnesota in public spaces, so many people are making their masks at home, Naomi Ruchim reports (1:56).

WCCO 4 News At Noon - July 24, 2020


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