Coronavirus Cases in Italy Rise 50 Percent, US Urges Citizens to Avoid North

A woman wearing a protective mask and her dog sit on the subway in Milan, Italy, on March 1, 2020. Yara Nardi/Reuters

The article has been updated to reflect the latest information.

Coronavirus infections in Italy rose 50 percent Sunday and the U.S. government issued its strongest travel warning yet, advising Americans against any travel to two regions in northern Italy that have been hard hit by the virus that first emerged in China in December.