Salah Assana is at the whole body dual MRI-PET scanner at Harvard University’s Martinos Center for Biomedical Imaging, working with Dr. Michael VanElzakker and Dr. David Izquierdo-Garcia on a study of long COVID patients with persistent breathing difficulties. This PolyBio-supported study uses specialized imaging to detect fibrin accumulation that standard clinical imaging cannot see. The participant is briefly holding their breath in the scanner so their lungs can be clearly imaged. The study i