Myocarditis signal was known in Feb 2021 but FDA and CDC hid it until they got the vaccine authorized for 12-15 year olds in May 2021. Here is the proof.
vaccine - Trending on BuzzSumo 2023-05-22
Summary:
Myocarditis signal was known in Feb 2021 but FDA and CDC hid it until they got the vaccine authorized for 12-15 year olds in May 2021. Here is the proof. blogspot.com