Sen. Bill Cassidy called for a meeting of a Centers for Disease Control and Prevention vaccine advisory committee set for this week to be postponed, citing a lack of experience among its new appointees.

The call for the delay marks one of the first time Sen. Bill Cassidy has directly asked Trump’s Department of Health and Human Services to alter how it’s handling vaccine policy.

WASHINGTON — A key Senate health leader is calling for this week’s meeting of the panel of vaccine advisers handpicked by Health and Human Services Secretary Robert F. Kennedy Jr. to be delayed, citing their lack of experience and potential bias against some vaccines.