The health secretary wrote a 2014 book arguing that thimerosal caused brain damage, a claim his own agencies say is unfounded.

Kennedy said that removing all 17 members of the CDC's vaccine advisory panel was "necessary to reestablish public confidence in vaccine science."

Robert F. Kennedy Jr.’s plan for America’s vaccines is coming into focus, with his revamped immunization advisory panel set to discuss the use of measles shots in kids next week and vote on an ingredient that’s been wrongly linked to autism.