Are Masks Effective Against The Omnicron COVID-19 Variant?
Authentic masks approved by the CDC and NIOSH could reduce COVID-19 transmission by 53 percent irrespective of vaccination status.
from Medical Daily https://www.medicaldaily.com/face-mask-reduce-covid-19-transmission-463877?utm_source=Public&utm_medium=Feed&utm_campaign=Distribution
from Medical Daily https://www.medicaldaily.com/face-mask-reduce-covid-19-transmission-463877?utm_source=Public&utm_medium=Feed&utm_campaign=Distribution
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