A sweeping new investigation has uncovered alarming evidence that Covid mRNA “vaccines” are overwhelmingly tied to life-threatening heart conditions in safety reports spanning more than five decades.
The study was led by Dr. Jaehyeong Cho, Dong Keon Yon, and colleagues at Kyung Hee University and other major Korean centers.
The results of the study were published in Scientific Reports.
Researchers mined over 35 million adverse drug reaction records from more than 140 countries, covering 1968 through 2024.
The results are shocking and revealed huge spikes in deadly heart inflammation among the Covid-vaccinated:
• Myocarditis: 35,017 reports worldwide, with 76.16% (26,670 cases) linked to Covid mRNA vaccines. The next closest drug was clozapine at just 15.29%.
• Pericarditis: 24,959 reports, with a staggering 88.15% (22,001 cases) tied to Covid mRNA vaccines. No other drug accounted for more than 10%.
Other signals appeared for influenza and smallpox vaccines, as well as cancer immunotherapy drugs, but none came close to the overwhelming share attributed to the Covid shots.
Even more disturbing, the strongest signals were found in children and teens aged 0–17.
However, for this young age group, COVID-19 itself has consistently posed minimal risk.
The findings are the latest to show that mRNA “vaccines” are far more dangerous for healthy children than the virus ever was.
Researchers noted that the surge in myocarditis and pericarditis cases appeared in 2021.
The data shows the spikes directly coincide with mass vaccination campaigns.
The sheer proportion of cases tied to the mRNA injections is impossible to ignore.
“This is not an anti-vaccine study — it’s a call to refine how, when, and to whom certain medicines are given,” one cardiologist reviewing the data said.
The findings put fresh weight behind U.S. Health Secretary Robert F. Kennedy Jr.’s decision earlier this year to strip the formal recommendation for Covid “vaccination” in young children.
Children face an extremely low baseline risk from the virus, particularly during the post-Omicron era.
However, children show disproportionately elevated signals of heart damage from the shots.
The study highlights an ethical crisis in public health policy.
The implications are profound: clinicians are urged to be vigilant for chest pain, shortness of breath, or palpitations following vaccination, particularly in young males.
Policymakers, meanwhile, face mounting pressure to address whether the risk-benefit equation for children and teens has already tipped.
Funded by multiple South Korean government grants, the study concludes that global pharmacovigilance systems must urgently prioritize cardiac safety monitoring.
Transparency, patient education, and age-stratified policies are no longer optional.
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