A man wearing a protective outfit disinfects a children's playground, aimed at combating the spread of the coronavirus, in the early morning hours, in Bucharest, Romania, Tuesday, March 17, 2020, as the state of emergency announced last week by the country's president comes into effect. For most people, the new coronavirus causes only mild or moderate symptoms. For some it can cause more severe illness. (AP Photo/Vadim Ghirda)