Dr. Shereef Elnahal: ‘We won't be able to move forward’ with undervaccinated populations

Dr. Shereef Elnahal, President and CEO of University Hospital in Newark, New Jersey, joins Andrea Mitchell to discuss rising COVID cases across the U.S., saying as long as we have undervaccinated areas of the country, “we won't be able to move forward." Dr. Elnahal agrees with guidance from the American Academy of Pediatrics that children should wear masks in schools this fall.