The panelists will review measles vaccine recommendations and discuss a preservative that the health secretary has falsely claimed causes autism.

Kennedy handpicked the new vaccine advisers just days after firing all 17 of the committee’s previous members.

Ahead of the first meeting of newly appointed vaccine advisers to the US Centers for Disease Control and Prevention, lawmakers are sharing fresh concerns about the panel’s membership and last-minute actions that could see Covid-19 and influenza vaccines thrown into question.