AdvertisementVaccine Expert: Once COVID-19 Vaccine Is Available, 'Don't Overthink It. Don't Wait' 42:50Download AudioResumeNovember 24, 2020Terry GrossfacebookEmailA lab technician sorts blood samples for a COVID-19 vaccination study at the Research Centers of America in Hollywood, Fla., on Aug. 13. (Chandan Khanna/AFP via Getty Images)