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.
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.
As CBS reports, the CDC previously disclosed that reports of heart inflammation were detected mostly in younger men and teenage boys following their second dose, and that there was a "higher number of observed than expected" cases in 16- to 24-year-olds. Last month, the CDC urged providers to "ask about prior COVID-19 vaccination" in patients with symptoms of heart inflammation.
Federal authorities have received over 800 reports of heart inflammation in people who received a COVID-19 vaccine, a health official said Thursday.
The reports of myocarditis or pericarditis were submitted to the Vaccine Adverse Event Reporting System, a passive reporting system run jointly by the Centers for Disease Control and Prevention (CDC) and the Food and Drug Administration, through May 31.
The bulk of the reports described heart inflammation appearing after the second of two doses of either the Pfizer of Moderna vaccines, both of which utilize messenger RNA technology.
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