This seems to have missed but the retesting of samples from 2016 has claimed a victim.
Christos Volikakis
https://ita.sport/news/olympic-games-rio-2016-re-analysis-the-ita-notifies-cyclist-christos-volikakis-of-a-potential-anti-doping-rule-violation/
https://www.olympics.com.au/olympians/rachael-gunn/?lid=767jbe8wfbqv&user_id=14056e0f-5dde-4241-ab98-60677908eeea&utm_source=braze&utm_medium=email&utm_campaign=newsletter
And to prove it's true...