Twenty-Two Cases of Rare Myocarditis by February 2021, Yet Pfizer Said No “New Safety Issues.” FDA Waits Until June 25, 2021, to Include Myocarditis Risk in Fac

  As initially reported by Chris Flowers, M.D., on DailyClout.io in April 2022, myocarditis – inflammation of the heart muscle (a.k.a., myocardium) that can reduce the heart’s ability to pump blood as well as cause chest pain, shortness of breath, and rapid or irregular heart rhythms (a.k.a., arrhythmias)–  is a serious adverse event.