Clinical trials
FILE - In this Nov. 17, 2020, file photo, IOC President Thomas Bach visits the National Stadium, the main venue for the 2020 Olympic and Paralympic Games postponed until July 2021 due to the coronavirus pandemic, in Tokyo. Bach has canceled a trip in May 2021 to Japan because of surging cases of COVID-19 in the country, the Tokyo Olympic organizing committee said Monday, May 10, 2021 in a statement. The trip was made impossible because of a state of emergency in Tokyo and other parts of the country that has been extended until May 31. (Behrouz Mehri/Pool Photo via AP, Fo;e)
South Africa shows the complexities of IOC's vaccine offer

By Gerald Imray May. 28, 2021 01:49 PM EDT