A decades-old data set tracking the health of new moms and babies was disrupted by CDC layoffs last spring, and there are still unanswered questions about the program's future.

BATON ROUGE, La. (KALB) - Louisiana’s first surgeon general, Dr. Ralph Abraham, will take on the new role of principal deputy director at the Centers for Disease Control and Prevention, a move that may raise questions about vaccines around the nation and in the Pelican State.

The CDC website was updated late Wednesday without warning, sparking quick backlash from public health experts.

HHS Secretary Robert F. Kennedy Jr. has replaced the head of his controversial vaccine advisory committee, federal officials announced Monday. Martin Kulldorff, PhD, is leaving the Advisory Committee on Immunization Practices (ACIP) to take a leadership role within HHS, officials said.