1.08 in 100,000 cases of vaccine related myocarditis (VRM), 2.16 deaths per 1,000,000.<p>Hard to take much meaning away from that without understanding the risk posed by not vaccinating.<p>If vaccines can prevent long COVID or "post viral syndrome," that's another potential cost benefit analysis. (which would make sense from a laymen perspective, killing <i>k</i> random cells seems bad, but killing N random cells seems strictly worse).