The FDA is probing whether the Moderna vaccine can cause a rare side effect in teens
Moderna says the FDA is looking into reports of a rare side effect — myocarditis, or the inflammation of the heart muscle — in those who've gotten the shot.
The U.S. Food and Drug Administration will need more time to decide whether to approve Moderna's COVID-19 vaccine for use in children ages 12 to 17, the company announced Sunday.
The extended timeline is so the FDA can look
