Drone images capture empty city of San Francisco

By CNN
March 25, 2020 | 6:20 AM

San Francisco is eerily empty as everyone stays inside during the coronavirus pandemic.

Watch drone footage of the California city taken on March 21.

Inside China’s new lab conducting late-stage vaccine trials

By CNN
August 25, 2020 | 11:12 AM

CNN's David Culver takes us inside a brand new vaccine lab in China and speaks to scientists there about how close they are to a coronavirus vaccine.