Why did we recommend 2 to 4 layer cotton for community cloth masks?

In this video, Catherine Clase and Edouard Fu discuss the body of evidence on cloth masks and explain where the 2 to 4 layer cotton recommendation come from. Thanks to Peg Wentz and the Mayo Clinic Proceedings for producing the video, based on our peer-reviewed paper published in July 2020.

78 views1 comment

Recent Posts

See All