You are using an older browser version. Please use a supported version for the best MSN experience.

New research identifies which masks are most effective against coronavirus

Health officials agree that face masks can help slow the spread of the coronavirus, and now there’s new research on which types are most effective. Meanwhile, there is increasingly tense debate between those who wear them and those who don’t. NBC’s Sam Brock reports for TODAY from Miami.
image beaconimage beaconimage beacon