The Penn Medicine Scientists Who Paved the Way for the COVID-19 Vaccine.

Calling them “true heroes of science,” NBC Nightly News profiled Drew Weissman, MD, PhD, a professor of Infectious Diseases, and Katalin Kariko, PhD, an adjunct associate professor. The two told the story of their partnership and the groundbreaking 2005 study that set the stage for a successful COVID-19 mRNA vaccine.

Watch the video.