- Tokyo Olympics 2020: Coronavirus vaccine not a requirement to hold event, says Games CEO Firstpost
- Tokyo Olympics organizers: COVID-19 vaccine not needed to hold games in 2021 CBS Sports
- Tokyo Olympics 2020 are most costly Summer Games, says Oxford study Business Standard
- Tokyo 2020 CEO says Olympics can proceed without COVID vaccine Nikkei Asian Review
- Tokyo Olympics CEO says vaccine won’t be a requirement for 2021 Games The Boston Globe
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