How well do masks work?

Name: How well do masks work?
Uploaded: 2020-07-31T14:00:00Z
Duration: 4 min 8 s
Description: The CDC says wearing a mask is proven to help slow the spread of COVID-19. Dr. Joe Hanson, creator and host of "It's Okay to be Smart" on PBS Digital Studios, joins Amanda Salinas on Good Day Austin to explain the science behind why you should wear a mask.

The CDC says wearing a mask is proven to help slow the spread of COVID-19. Dr. Joe Hanson, creator and host of "It's Okay to be Smart" on PBS Digital Studios, joins Amanda Salinas on Good Day Austin to explain the science behind why you should wear a mask.

Posted July 31, 2020 10:06am CDT