Tokyo 2020 Games Delivery Officer Hidemasa Nakamura, left, and Kawasaki City Institute for Public Health Director General Nobuhiko Okabe bow to each other at the end of a press conference following a roundtable on COVID-19 countermeasures at Tokyo 2020 Games in Tokyo, Friday, June 11, 2021. A group of experts participated in a third roundtable on COVID-19 countermeasures proposed for audience-related infection control. (Franck Robichon/Pool Photo via AP)