The Pfizer clinical trials were a disaster. Robert F. Kennedy, Jr. explains why
[There are a number of good videos on this page besides the headline one]
The Pfizer study was available and in (I believe) 2020. I read and understood the 140+ pages at the time, and what is being 'revealed' here was obvious to a careful reader even back then. It was never a secret, but was deliberately misinterpreted. That is why I hid out in Mexico until the pressure was off.
https://vigilantnews.com/post/viral-rfk-jr-video-gets-deleted-by-x