Scientists Explain How mRNA COVID Vaccines May Rarely Cause Myocarditis

Scientific AmericanWednesday, December 10, 2025 at 7:00:00 PM
NeutralScience
  • A new study has identified a mechanism by which mRNA COVID vaccines may, in rare instances, lead to myocarditis, a form of heart inflammation. This condition can also occur as a result of the COVID-19 disease itself, highlighting a potential link between vaccination and heart health concerns.
  • Understanding the mechanism behind this rare side effect is crucial for public health, as it may inform vaccine safety monitoring and guide future vaccine development. This research underscores the importance of ongoing studies to ensure the benefits of vaccination outweigh potential risks.
— via World Pulse Now AI Editorial System

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