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By HPN Staff
Key Points
  • The five new members bring a mix of backgrounds (epidemiology, obstetrics, pharmacy, pediatric cardiology, transplant surgery), and the administration frames their appointment as restoring “transparency, independence, and gold-standard science.”
  • Critics and medical groups warn the sudden removal of all prior ACIP members and the installation of new ones—some with vaccine-skeptical associations—could undermine scientific integrity, disrupt institutional continuity, and erode public confidence in vaccines.
  • The timing is significant: the new appointments come just before a scheduled ACIP meeting to vote on COVID-19 vaccine recommendations and updates to the childhood vaccine schedule (e.g. MMR, hepatitis B) — meaning these new members may immediately influence critical public health decisions.

Five new members have been appointed to the Centers for Disease Control and Prevention’s (CDC)  Advisory Committee on Immunization Practices (ACIP). The appointments were announced by the U.S. Department of Health and Human Services (HHS) on Monday, September 15, and are added to the seven appointed last June following the removal of all 17 Biden-appointed members of the panel by HHS Secretary Robert F. Kennedy Jr. 

The ACIP is tasked with reviewing scientific research on vaccines and immunology and making recommendations to the CDC regarding vaccine use.

The new appointments came just days before the panel was scheduled to meet to consider recommendations for COVID vaccines and several childhood vaccines, including MMR.  

Why it matters

Secretary Kennedy, known for his long-time skepticism of vaccines, has faced criticism over his replacement of the ACIP members, including from former panel members and several national medical groups. They have expressed concerns that the secretary is stacking the advisory panel with fellow doubters who lack the required expertise.

However, officials within the Department say that the new appointees bring a much-needed fresh perspective and unbiased scientific rigor to the influential panel. Deputy Secretary of Health and Human Services and Acting Director of the CDC Jim O’Neill said that “the new ACIP members bring a wealth of real-world public health experience to the job of making immunization recommendations.”

The bigger picture

The HHS said in a statement that “these appointments reflect the commitment of Secretary Robert F. Kennedy, Jr. to transparency, evidence-based science, and diverse expertise in guiding the nation’s immunization policies.”

Secretary Kennedy was quoted in the statement saying “(ACIP’s) new members bring diverse expertise that strengthens the committee and ensures it fulfills its mission with transparency, independence, and gold-standard science.”

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Who are the new members of the ACIP?

Seven newly appointed members of the federal Advisory Committee for Immunization Practices met for the first time June 25 and 26, following a purge of the entire ACIP board by Department of Health & Human Services Secretary Robert F. Kennedy Jr. This panel recommends vaccine pol

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