They stop the phlegm which carries the Covid. That’s why mask-wearing areas have lower rates. Posted on October 8, 2021 by Kenneth Udut Leave a comment They stop the phlegm which carries the Covid. That’s why mask-wearing areas have lower rates. 🔊 Listen to this Leave a comment Cancel reply Your email address will not be published. Required fields are marked *Comment Name * Email * Website Save my name, email, and website in this browser for the next time I comment. 2 + = four Leave a Reply