It is unclear how Kennedy's new members, including Dr. Robert Malone, will affect the panel's vaccine recommendations.

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…

The Senate health committee chairman said new members of a key advisory panel who were appointed by Robert F. Kennedy Jr. “lack experience.”

It is unclear how Kennedy's new members, including Dr. Robert Malone, will affect the panel's vaccine recommendations.

Health experts have concerns about the new panel, which helps determine who gets vaccines in the US and when.

The votes in favor of Merck's shot are a sigh of relief after Kennedy gutted the panel and tapped replacements, some of whom are well-known vaccine critics.

Some public health experts contend the thimerosal discussion will unnecessarily raise doubt in vaccines.