Chinese swimmers taking part in the Olympic Games in Paris will be drug-tested twice as much as some other nations.
Doping authorities have come under pressure in recent months after it emerged 23 swimmers tested positive for a banned substance and were cleared to compete at the Tokyo Games.
Eleven of those swimmers – that tested positive for heart medication trimetazidine (TMZ) at a training camp seven months before the delayed Games in 2021 – have been chosen for Paris.
