Pedestrians wearing face masks cross a street in northern Tehran, Iran, Sunday, March 1, 2020. While the new coronavirus hasRead More →

Pedestrians wearing face masks cross a street in northern Tehran, Iran, Sunday, March 1, 2020. While the new coronavirus has extended its reach across the world, geographic clusters of infections were emerging, with Iran, Italy and South Korea seeing rising cases. (AP Photo/Vahid Salemi)