CDC says coronary heart irritation instances in 16- to 24-year-olds larger than anticipated after second shot
A young man in West Virginia receives the vaccine while overlooking the West Virginia Capitol Building in Riggleman Hall.
Stephen Zenner | LightRocket | Getty Images
The number of cases of a heart inflammation condition in 16-to-24-year-olds was higher than expected after they received their second dose of Pfizer or Moderna’s Covid-19 vaccines, the Centers for Disease Control and Prevention said Thursday, citing preliminary data from its vaccine safety monitor system.
There have been 275 reported cases of myocarditis or pericarditis, which are inflammation conditions involving the heart, in people ages 16 to 24 as of May 31, according to a CDC presentation that was prepared for a Food and Drug Administration advisory panel meeting Thursday.
The expected number of cases was between 10 and 102, according to the CDC.
There have been a total of 475 reported cases of myocarditis or pericarditis in people age 30 and younger, according to the CDC. Most patients who were hospitalized, or 81% of them, had full recovery from their systems, the agency said.
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