Zhang Yufei won four medals, two of them gold, at the Tokyo 2020 Olympics.
WHENEVER a suspicion of doping arises in an Olympics, attention can shift quickly from the athletes who won gold, silver and bronze medals to the ones who missed out.
Last Saturday, The New York Times published an investigation into an unreported case in which 23 top Chinese swimmers tested positive for a powerful banned drug in 2021, only months before the Tokyo Olympics.
