Watch the video and read the article.
Mask don't stop you getting covid though they may reduce the chances, but they do significantly reduce the chances of spreading it.
https://www.healthline.com/health-news/the-simple-science-behind-why-masks-work
Mask don't stop you getting covid though they may reduce the chances, but they do significantly reduce the chances of spreading it.
https://www.healthline.com/health-news/the-simple-science-behind-why-masks-work