A majority of young Americans who suffered heart inflammation after receiving a COVID-19 vaccine had abnormal magnetic resonance imaging (MRI) results, according to a new study from the U.S. Centers for Disease Control and Prevention (CDC).
CDC researchers have been following youth who experienced myocarditis, a form of heart inflammation, after receipt of the Pfizer or Moderna COVID-19 vaccines, both of which utilize messenger RNA (mRNA) technology.
Researchers reported in The Lancet on results from surveys filled out by the young Americans and their health care providers. They included results from 47 percent of the 836 patients aged 12 to 29 who experienced myocarditis after vaccination at least 90 days prior to the health care provider filling out the survey. The myocarditis for each patient was reported to the Vaccine Adverse Event Reporting System. Patients who filled out a survey themselves were excluded….