CNBC Correspondent Encourages Viewers to Wear Three Masks
“The experts keep telling us that wearing masks is really about protecting ourselves — protecting others from ourselves in the event that we are contagious,” Brewer told Smith. “But, you know, if other people aren’t wearing their masks, or they’re wearing them improperly, we need to protect ourselves. So experts say you can double up with a tight-weave fabric mask for added protection.” “Now, Virginia Tech researchers found that doubling up these cloth masks increases the efficacy from 50% to 75%,” she continued. “A three-layer mask could block up to 90% of the particles.â...