From the very beginning, the FDA knew that the COVID-19 vaccine was linked to serious heart trouble in recipients. The FDA medical officer review [1] of Pfizer’s original COVID-19 application notes “clinically important serious adverse reactions [included] anaphylaxis and myocarditis/pericarditis.” There is an urgent need for the FDA, CDC, and manufacturers to thoroughly investigate serious heart-related adverse events after the Pfizer and Moderna COVID vaccines.
