
FDA requires updated warning about rare heart risk with COVID shots
U.S. health officials have expanded warnings about a rare heart side effect associated with the two leading COVID-19 vaccines. The Food and Drug Administration announced the update Wednesday, providing more detail about the problem and the number of people who may be affected. Pfizer and Moderna have added the information to their labels and pamphlets for patients. Myocarditis, a type of heart inflammation that is usually mild, emerged as a rare effect with the first COVID-19 shots, mainly in boys and young men. Earlier vaccine labeling advised doctors about the issue. The new warning covers a larger group.