For the past several months, one of the many questions hanging over the booster debate has ben what do with people who got J&J’s shot. The company’s application, and the FDA’s planned meeting, creates a timeline for answering that question.
Biden administration and public health officials drew on data from extensive real-world use of Pfizer’s and Moderna’s vaccine in the U.S., as well as from Israel’s rollout of Pfizer boosters, to inform their plans for additional messenger RNA doses.