The dual-purpose effect of the BCFC protects the wearer from others and also protects others from an infected wearer, which is extremely significant given the high number of asymptomatic COVID-19 people who are unaware that they are shedding the virus and contributing to the community spread.
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Biological Cloth Face Coverings-The Reduction of SARS-CoV-2 and Influenza (H1N1) Infectivity by Viruferrin™ Treatment.
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