Dr. Noel Brewer, a former ACIP member removed by Kennedy and a professor in the department of health behavior at the University of North Carolina Gillings School of Global Public Health, told ABC News that since the upheaval of the ACIP, vaccination has changed in the U.S. in a "fundamental" way and that the committee has "lost credibility."

Democrats are demanding answers after Health Secretary Robert F. Kennedy Jr. abruptly fired all 17 members of a Centers for Disease Control and Prevention panel that advised on vaccines. Kennedy Jr.,

Recently removed members of a Centers for Disease Control and Prevention (CDC) vaccine advisory panel warn that Health and Human Services (HHS) Secretary Robert F. Kennedy Jr.’s move to replace them shows he is “abandoning” rigorous scientific review and open deliberation.