2 masks better than 1, CDC study says

Name: 2 masks better than 1, CDC study says
Uploaded: 2021-02-11T02:32:59Z
Duration: 2 min 50 s
Description: Health officials recommend people wearing two masks instead of one in hopes of slowing the spread of coronavirus.

Health officials recommend people wearing two masks instead of one in hopes of slowing the spread of coronavirus.

Posted February 10, 2021 6:32pm PST