World-renowned cardiologist Dr. Peter McCullough has issued a dire warning after Covid mRNA “vaccine” material has been found in the damaged hearts of people who received the injections.
McCullough is sounding the alarm after multiple peer-reviewed studies confirmed the presence of “vaccine” mRNA in human heart tissue.
The findings confirm that the shots are responsible for surging cases of myocarditis and sudden cardiac death.
In a post on his Substack, McCullough details the findings, which are drawn from autopsy analyses published between 2021 and 2023.
They confirm that Pfizer and Moderna’s experimental injections leave behind traces of synthetic mRNA and Spike protein in the heart, long after vaccination.
The findings provide biological evidence for the surge in sudden cardiac events doctors have reported worldwide.
These studies conclusively demonstrate vaccine-derived Spike mRNA in human myocardium, McCullough warned.
They provide evidence of a clear mechanism linking the injections to heart inflammation and death.
The data, published in prestigious journals including the New England Journal of Medicine, NPJ Vaccines, Clinical Research in Cardiology, and Archives of Pathology & Laboratory Medicine, provide direct molecular evidence that the mRNA sequence itself, not infection, reaches and is expressed in heart tissue.
Peer-Reviewed Evidence of mRNA in Heart Tissue
McCullough cites multiple studies that provide supporting evidence, as a growing number of independent teams have replicated these findings:
Verma et al., NEJM (2021):
A 42-year-old man developed acute myocarditis shortly after receiving Moderna’s COVID-19 shot.
Pathologists found diffuse inflammation and spike protein expression in the heart’s muscle cells but no nucleocapsid protein, proving the damage came from vaccine-produced Spike, not from natural infection.
The authors concluded that “mRNA vaccination may rarely trigger an immune-mediated myocarditis,” marking the first published evidence that vaccine-encoded Spike protein can appear in human heart tissue.
Krauson et al., NPJ Vaccines (2023):
Autopsies of adults who died unexpectedly within two weeks of vaccination showed detectable Pfizer and Moderna mRNA sequences in both heart muscle and microvascular endothelium — again with no viral nucleocapsid RNA present. This was the first direct molecular confirmation of mRNA persistence in the human heart.
Schwab et al., Clinical Research in Cardiology (2023):
Among 25 autopsies performed within 20 days of vaccination, five cases of myocarditis were confirmed. Researchers found vaccine mRNA fragments and spike protein deposits localized in inflamed heart tissue, not elsewhere in the body.
Gill et al., Archives of Pathology & Laboratory Medicine (2023):
Two teenage boys who died shortly after Pfizer vaccination showed spike antigen embedded in cardiac cells with no trace of viral nucleocapsid protein. Electron microscopy revealed immune-mediated heart damage consistent with vaccine-induced myocarditis.
Together, these studies establish what McCullough and other cardiologists have long warned: that vaccine-derived mRNA travels to and accumulates in the heart, where it can trigger inflammation, arrhythmias, and even sudden death — particularly in young males.
Medical Establishment Still Downplays Risks
Despite mounting autopsy evidence, the European Society of Cardiology (ESC) continues to insist that COVID-19 infection itself poses a greater cardiac threat than vaccination.
The ESC bases its claims on hospital troponin data from 2020, when severe COVID-19 cases were still widespread.
However, as McCullough points out, those data pre-date mass vaccination and fail to explain the spike in sudden, unexplained deaths among healthy young adults since 2021.
The ESC and similar institutions have ignored fatal vaccine-associated myocarditis cases entirely.
They continue to promote mRNA shots despite direct evidence of harm in cardiac tissue.
He argues that the medical establishment’s silence amounts to a cover-up of unprecedented proportions, one that has placed millions at unnecessary risk.
Clear Biological Mechanism
The studies cited by McCullough identify a definitive biological mechanism for vaccine injury: the injection’s lipid nanoparticles deliver synthetic mRNA into cells, prompting them to produce the Spike protein.
Once expressed in the heart or vascular tissue, the foreign protein can trigger autoimmune reactions and inflammation, damaging cardiac muscle fibers.
This process, confirmed through RT-qPCR, in situ hybridization, and protein immunostaining, explains why myocarditis cases often appear within days of vaccination and why standard viral testing frequently shows no evidence of infection.
McCullough and other physicians are now calling for an immediate moratorium on mRNA technology until full, independent investigations are completed.
Our comment section is restricted to members of the Slay News community only.
To join, create a free account HERE.
If you are already a member, log in HERE.