Is a double mask really better than a single?

CNBC’s Contessa Brewer reports on the efficacy of doubling or even tripling the masks you’re wearing during the pandemic. For access to live and exclusive video from CNBC subscribe to CNBC PRO: Could wearing two face masks at once during the pandemic provide more protection than just wearing one? According to White House advisor Dr. Anthony Fauci, “it likely does,” he told NBC News’ TODAY on Monday. As Fauci explained, masks are physical coverings that prevent respiratory droplets from spreading to other people and provide a degree of protection to the wearer.