Noted vaccine skeptic Robert F. Kennedy Jr. replaced a key board of vaccine advisers at the CDC. After a chaotic meeting, they just handed down their first set of new recommendations.

This episode was produced by Peter Balonon-Rosen and Ariana Aspuru, edited by Jolie Myers, fact-checked by Laura Bullard, engineered by Patrick Boyd and Adriene Lilly, and hosted by Noel King.

A "Vaccines Work" sign at a news conference on vaccine safety and efficacy with Sen. Bernie Sanders. Photo by Kent Nishimura/Getty Images.

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