Arnold S. Monto, MD, chaired the US Food and Drug Administration's Vaccines and Related Biological Products Advisory Committee (VRBPAC) meetings in December that led to Emergency Use Authorization (EUA) of the Pfizer/BioNTech and Moderna vaccines. He joins JAMA's Q&A series from the University of Michigan School of Public Health to discuss experience to date with the 2 products and what's next in vaccine development. Recorded January 11, 2021. Related Article(s): Experts Discuss COVID-19: Vaccine Allocation, Placebo Groups, and More