Moderna Inc. and Johnson & Johnson vaccines, people familiar with the discussions say.
- The Food and Drug Administration needs more time to collect and assess the data on safety and efficacy, the people said. Centers for Disease Control and Prevention Director Rochelle Walensky and Acting FDA Commissioner Janet Woodcock made the recommendation Thursday in a meeting with Jeffrey Zients, the White House coronavirus coordinator, one of the people said.
- Federal regulators warned on Thursday they may not have enough data to recommend boosters for anyone except certain recipients of the Pfizer vaccine by late September.
- The two health leaders made their argument in a meeting with Jeffrey D. Zients, the White House pandemic coordinator. Several people who heard about the session said it was unclear how Mr. Zients responded. But he has insisted for months that the White House will always follow the advice of government scientists, wherever it leads.