Police officers wearing protective masks check papers at a control point at the Champs Elysees avenue in Paris, Tuesday, March 17, 2020. France is imposing nationwide restrictions on how far from their homes people can go and for what purpose as part of the country's strategy to stop the spread of the new coronavirus. For most people, the new coronavirus causes only mild or moderate symptoms, such as fever and cough. For some, especially older adults and people with existing health problems, it can cause more severe illness, including pneumonia. (AP Photo/Michel Euler), APTOPIX