Support WBURAdvisers To CDC Debate How COVID-19 Vaccine Should Be Rolled OutPlay03:40Download AudioJoe NeelPien HuangOctober 30, 2020 ShareTony Potts, a 69-year-old retiree living in Ormond Beach, Fla., receives his first injection earlier this year as a participant in a Phase 3 clinical trial of Moderna's COVID-19 candidate vaccine. (NurPhoto via Getty Images)
