This story has been updated with discussion at the ACIP meeting and to note that the panel’s planned votes were postponed until Friday.
A panel that advises the federal government on vaccination policy appears poised to overturn a 30-year-old recommendation that all babies born in the U.S. be vaccinated at birth against hepatitis B, delivering on a goal of the anti-vaccine movement that is a font of support for health secretary Robert F. Kennedy Jr.