Name any pro athlete, 30 and under, that has had this pre Covid.
Don’t have exact names but I googled and found this among others
https://www.uclahealth.org/news/athletes-at-risk-for-deep-vein-thrombosis
Bicyclists can get DVT from dehydration on long rides.
Not that I have any doubt that this was the clot shot.
Sometimes distance cyclists are at t risk due to dehydration.