Health Secretary Robert F. Kennedy Jr., once a leading anti-vaccine activist, has removed every member of a scientific committee that advises the Centers for Disease Control and Prevention on how to use vaccines and pledged to replace them with his own picks.
The 17-member Advisory Committee on Immunization Practices had been in a state of flux since Kennedy took over. Its first meeting this year had been delayed when the U.S. Department of Health and Human Services abruptly postponed its February meeting.
