Heart Inflammation In Teens And Young Adults After COVID-19 Vaccine Is Rare, CDC Says



The Centers for Disease Control and Prevention says 323 cases of heart inflammation have been verified in people who received the Pfizer or Moderna COVID-19 vaccine.

The cases of myocarditis and pericarditis have been seen mostly in teens and young adults between 12 and 39 years old — mostly after the second vaccine dose.

Most people who have experienced this side effect have recovered from symptoms and are doing well, according to data presented Wednesday at a public meeting of the CDC’s vaccine advisory committee. Of the 323 cases, 295 were discharged from the hospital, nine remained hospitalized as of last week and 14 were not hospitalized at all. Outcome data was missing for five of the cases. No deaths have been associated with this side effect.

Symptoms include chest pain or pressure and difficulty breathing, says Dr. Kristen Sexson Tejtel, a cardiologist at Texas Children’s Hospital who has treated people with the vaccine-related condition. For people experiencing symptoms, “the best thing to do is to talk to their physician or come to the emergency room for evaluation,” Tejtel says, where blood tests and heart imaging results can confirm the diagnosis.

The CDC says there have been some cases of heart inflammation reported after the Johnson & Johnson vaccine to the Vaccine Adverse Events Reporting System, though not as many as with the Moderna and Pfizer vaccines.


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