People carry a banner reading "Extinguish the Olympic torch" during a march in Tokyo last week calling for the cancellation of the Summer Olympics. The government insists the games will go on despite concerns about the coronavirus.
Organziers of the Mobile World Congress had resisted calls to cancel the event, but reversed course after major companies pulled out over coronavirus fears.
Lluis Gene/AFP via Getty Images
Three U.S. airports will screen passengers from Wuhan, China, for coronavirus symptoms: Los Angeles International Airport (pictured above), JFK in New York and SFO in San Francisco.