Reports of heart inflammation reported after COVID-19 vaccine

The reports represent just a tiny fraction of the nearly 130 million Americans who have been fully vaccinated with either Pfizer or Moderna’s doses.

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The Centers for Disease Control and Prevention announced Thursday that it will convene an “emergency meeting” of its advisers on June 18th to discuss rare but higher-than-expected reports of heart inflammation following doses of the mRNA-based Pfizer and Moderna COVID-19 vaccines.

So far, the CDC has identified 226 reports that might meet the agency’s “working case definition” of myocarditis and pericarditis following the shots, the agency disclosed Thursday. The vast majority have recovered, but 41 had ongoing symptoms, 15 are still hospitalized, and 3 are in the intensive care unit.

The reports represent just a tiny fraction of the nearly 130 million Americans who have been fully vaccinated with either Pfizer or Moderna’s doses.

The new details about myocarditis and pericarditis emerged first in presentations to a panel of independent advisers for the Food and Drug Administration, who are meeting Thursday to discuss how the regulator should approach emergency use authorization for using COVID-19 vaccines in younger children.

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