Authentic masks approved by the CDC and NIOSH could reduce COVID-19 transmission by 53 percent irrespective of vaccination status.
Are Masks Effective Against The Omnicron COVID-19 Variant?
by | Jan 24, 2022 | Uncategorized | 0 comments
by | Jan 24, 2022 | Uncategorized | 0 comments
Authentic masks approved by the CDC and NIOSH could reduce COVID-19 transmission by 53 percent irrespective of vaccination status.
Recent Comments