If the Buffalo Bills want to know if any of their players are vaccine injured, it's easy to do so
There is a company, HeartCare Corp, that makes a machine that looks like an EKG, but can detect a wide variety of heart damage, including myocarditis. They can assess their team in a day.
https://youtu.be/VYP9jBVd_eA
Was Damar Hamlin’s Injury a Scripted Ritual?