FDA panel endorses booster shot for J&J’s COVID-19 vaccine
J&J says the extra dose adds important protection as early as two months after initial vaccination, but that it might work better if people wait until six months later.
A vial of the Johnson & Johnson COVID-19 vaccine is displayed at South Shore University Hospital in Bay Shore, N.Y.Read moreMark Lennihan / AP
by Matthew Perrone and Lauran Neergaard, The Associated Press
