This document provides information about RNA-based vaccines for COVID-19 and profiles Dr. Kizzmekia Corbett's role in developing Moderna's vaccine. It includes links to a video explaining how Moderna's vaccine works, an article about Dr. Corbett's efforts to address vaccine hesitancy, and a 6-minute video of her describing her work. Students are assigned to review these resources and write a 300-word reflection discussing what they found most interesting or confusing, what they learned about vaccine development and trials, the types of people involved in science, and any new questions they have.