Dr. Joshua Sharfstein: COVID-19 resurgence ‘probably predates the protests’

Dr. Joshua Sharfstein, Vice Dean at the Johns Hopkins School of Public Health, joins Andrea Mitchell to discuss concerns from government officials amid a resurgence of coronavirus cases in cities across the country, calling for a ‘doubling and tripling down on the public health response’ as economies continue to reopen, as the virus still has 'potential to grow exponentially’