Emanuel: Wearing a mask should be as necessary as wearing a seatbelt
01:37NBC News Medical Contributor Dr. Ezekiel Emanuel predicts a post-COVID world where wearing a mask is a necessity, and all shoppers stand 6 feet away from each other.
NBC News Medical Contributor Dr. Ezekiel Emanuel predicts a post-COVID world where wearing a mask is a necessity, and all shoppers stand 6 feet away from each other.