'Better to Stay Ahead of It.' Why the White House COVID-19 Strategy Now Involves Vaccine Booster Shots

By now, many public health experts, and the public for that matter, have accepted that vaccinated people may need another dose of whichever COVID-19 shot they received in order to better protect against new variants of COVID-19. And on Aug. 18, the White House endorsed a third dose for those who received either of the two-dose Pfizer-BioNTech or Moderna vaccines. People who received the single-shot Johnson & Johnson/Janssen vaccine may also need an additional dose, but the relevant studies are still ongoing. For now, the government plans on rolling out Pfizer and Moderna booster doses the week of Sept. 20,...