![Rick Pollack, American Hospital Association CEO and President standing in front of United States flag and the AHA seal.](/sites/default/files/2022-04/AT-Rick-Pollack-Perspective-2022-News-900x400.jpg)
The Food and Drug Administration authorized a single booster dose of the Pfizer or Moderna COVID-19 vaccine for all individuals aged 18 or older at least six months after receiving the initial two-dose series or two months after receiving the single-dose Johnson & Johnson vaccine.