The Latest: Japan's medical head says vaccine needed quickly

FILE - In this March 24, 2020, file photo, the Olympic Flame burns during a ceremony in Fukushima City, Japan. The Tokyo Olympics were postponed a month ago. But there are still more questions than answers about the new opening on July 23, 2021 and what form those games will take.(AP Photo/Jae C. Hong, File)

FILE In this Thursday, Jan. 30, 2020 a general view of the Camp Nou stadium prior of a Spanish Copa del Rey soccer match between Barcelona and Leganes at the Camp Nou stadium in Barcelona, Spain. (AP Photo/Joan Monfort, File)

FILE - In this April 16, 2020, file photo, Tokyo 2020 Organizing Committee President Yoshiro Mori, left, speaks in teleconference with John Coates, chairman of the IOC's Coordination Commission for the Tokyo 2020 Olympic Games, in Tokyo. The Tokyo Olympics were postponed a month ago. But there are still more questions than answers about the new opening on July 23, 2021 and what form those games will take.(Kazuhiro Nogi/Pool Photo via AP, File)