Shows
Live TV
Schedule
TV Provider
Sign In
Try Paramount+
CBS Evening News
About
Back to video
Search shows
Sign Up
Sign In
Shows
Live TV
Schedule
TV Provider
Menu
Science shows multi-layer masking is more effective against COVID
Help
1min
Layering masks or wearing a mask with several layers can better protect against more contagious varients of the coronavirus, according to Dr. Jon LaPook. Air Date: Jan 22, 2021
Weeknights
Full Episodes
11/21/24
11/21: CBS Evening News
11/20/24
11/20: CBS Evening News
11/19/24
11/19: CBS Evening News
11/15/24
11/15: CBS Evening News
Show More
Clips