lead author of a 2023 Circulation Research review article on COVID-19 and myocarditis. "In one case, it's happening in the blood vessel walls, and in the other, it's in the heart muscle," she said.

But it quickly became apparent that SARS-CoV-2, the virus that causes COVID-19, was so much more ... But no one was looking at the vasculature," the blood vessels that carry the virus throughout ...