Pfizer knew last year.

Project Veritas
@Project_Veritas
Big Pharma has long known of potential Covid-19 vaccine side effects...They just didn't want to say so publicly.
In 2021@Pfizer scientist Chris Croce told our journalist that they were already testing for links between their vaccine and myocarditis...

What did@Pfizer find?

4:21 PM · Jan 9, 2023