Answer:
FDA approves Pfizer booster shots for people who are 'high risk' or over 65. The US Food and Drug Administration on Wednesday authorized a booster dose of the Pfizer and BioNTech Covd-19 vaccine for those ages 65 and older and some high-risk Americans, paving the way for a quick rollout of the shots.
Explanation:
Answer: Its (D) all of the above
