New CDC guidance: Waiting longer between COVID-19 vaccine doses could reduce risk of heart damage

Myocarditis as seen on cardiac MRI in patients who recently received COVID-19 messenger RNA vaccination from a November 2021 imaging study. Image courtesy of the American Journal of Roentgenology (AJR)

Myocarditis as seen on cardiac MRI in patients who recently received COVID-19 messenger RNA vaccination from a November 2021 imaging study. Image courtesy of the American Journal of Roentgenology (AJR)

Waiting a few additional weeks, the agency wrote, could help limit myocarditis or pericarditis among young adults.