The World Anti-Doping Agency (WADA) confirmed reports that 23 Chinese swimmers had tested positive for a banned drug before the 2020 Tokyo Olympics, but it accepted the country's findings that this was due to substance contamination.
The World Anti-Doping Agency (WADA) confirmed reports that 23 Chinese swimmers had tested positive for a banned drug before the 2020 Tokyo Olympics, but it accepted the country's findings that this was due to substance contamination.