Fauci, who also took his message to NBC's "Meet the Press," said he doubts the Food and Drug Administration and the Centers for Disease Control and Prevention will "just cancel" the J&J vaccine and continue allowing only the two-dose vaccines developed by Pfizer and Moderna.
"Everything is on the table," Fauci said. "My estimate is that we will continue to use it in some form. I doubt very seriously if they just cancel it. I don't think that's going to happen. I do think that there will likely be some sort of warning or restriction or risk assessment.”
States began halting the use of Johnson & Johnson's vaccine last week after federal health officials recommended a pause "out of an abundance of caution" because of rare but dangerous blood clots.
Macron told "Face the Nation" that officials in Paris are working to develop a way for "French, European citizens but also American citizens" who are vaccinated to travel more freely by this summer. Macron said he had spoken with the White House about potential plans for lifting some travel restrictions between France and the US, though talks were still in their early stages.
Macron said, ideally, travel would be open "for US citizens who are vaccinated, with a special pass," suggesting a so-called vaccine certificate or passport would be necessary for travel in France.