The following peer-reviewed paper may be found at Primary Doctor Medical Journal.
Abstract
This paper addresses the question of prevalence of COVID vaccine-associated myocarditis, as well as known mechanisms of spike protein-induced myocarditis, considering the epidemiological consequences of mass vaccination with spike protein-generating COVID vaccines, such as are being deployed throughout the world at present.  The cardiac impacts of spike protein distribution have risen to particular concern, due to the recent extraordinary increase in new cases of myocarditis and pericarditis, including among populations that typically have vanishingly rare incidence of this disease, especially young men, with particularly anomalous occurrence in young male athletes….