From #mRNAvaccines to CAR T cell therapy to groundbreaking #Alzheimers research, Penn Medicine is a hub for scientific breakthroughs. What is it that fosters this trailblazing work? A culture of collaboration, says Virginia Lee, PhD, one of the most cited researchers in the world and winner of the 2020 Breakthrough Prize. "It takes all kinds of people to get a drug going to understand a disease."