COVID Vaccination Is No Longer One-Size-Fits-All

COVID vaccination is no longer one-size-fits-all: US health officials now leave booster decisions to individuals, and the WHO urges “focused protection” for those at highest risk. Yet without hard numbers on whose immunity fades fastest, personal choice is a shot in the dark. A new study maps each person’s immune rise and fall—offering the data we need to turn guesswork into tailored guidance.