The potentially serious heart disorders of pericarditis, inflammation of the heart’s surrounding membrane; and myocarditis, inflammation of the heart muscle, are happening after Covid-19 vaccination substantially more often than previously reported.
That’s according to new research led by Dr. George Diaz, Section of Infectious Diseases, Providence Regional Medical Center Everett, Everett, Washington; published in the Journal of the American Medical Association (JAMA).
Diaz and his co-authors reviewed electronic medical hospital records of more than 2 million people who received at least one Covid-19 vaccination. They found 37 cases of vaccine-related pericarditis and 20 cases of vaccine-related myocarditis. That’s still “rare,” but far more than what was expected had Centers for Disease Control’s (CDC’s) numbers from the Vaccine Adverse Event Reporting System (VAERS) been accurate.
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