The head of the Japan Medical Association said Tuesday it will be difficult to hold the postponed Tokyo Olympic and Paralympic Games next summer as currently rescheduled without a vaccine against the new coronavirus."My opinion is that it will be hard to host them unless an effective vaccine is developed," Yoshitake Yokokura, the group's president, said during an online press briefing organized by the Foreign Correspondents' Club of Japan in Tokyo. He urged developers to "step up the pace in (producing) treatments and vaccines."Yokokura, however, declined to say whether his organization wou…READ FULL ARTICLE