(Copyright 2019 The Associated Press. The 2020 Summer Olympics, which are scheduled to begin late July, could be delayed if the situation worsens. (AP Photo/Jae C. Hong) (Copyright 2019 The Associated Press. (AP Photo/Eugene Hoshiko) (Copyright 2020 The Associated Press. A man wearing a mask commutes in a train decorated with a poster showing Miraitowa, the official mascot of the Tokyo 2020 Olympics, Tuesday, March 3, 2020, in Tokyo.