The Department of Health and Human Services announced Monday that five additional members have joined the Centers for Disease Control and Prevention’s influential vaccine advisory panel, just before an important upcoming conference on immunization policies.
Secretary Robert F. Kennedy Jr. continues reshaping the Advisory Committee on Immunization Practices (ACIP), which evaluates vaccine science and provides CDC guidance on immunization recommendations. The committee had been targeted for as many as seven new appointments.
New Appointees and Their Backgrounds
The latest additions include Dr. Catherine Stein from Case Western Reserve University, where she works as an epidemiologist and professor. Her academic work has included criticism of pandemic response measures, particularly regarding mask requirements and business restrictions during health emergencies.
Dr. Evelyn Griffin, practicing obstetrics and gynecology in Baton Rouge, Louisiana, joins the panel after publicly questioning vaccination campaigns and pandemic response strategies during health freedom advocacy events in recent years.
The committee also welcomes Dr. Hillary Blackburn, who oversees medication access programs at AscensionRx. Notably, she has family connections to Tennessee Republican Senator Marsha Blackburn through marriage.
Dr. Kirk Milhoan brings pediatric cardiology expertise from his work with For Hearts and Souls Free Medical Clinic in Hawaii. He previously participated in congressional discussions about vaccine-related cardiac concerns, where he presented interpretations of research data that independent reviewers later disputed.
Dr. Raymond Pollak rounds out the new appointments with his background in surgery and transplant immunobiology. His career includes whistleblowing activities that led to legal settlements with the University of Illinois at Chicago regarding hospital practices and patient diagnosis accuracy.
Committee Restructuring Under New Leadership
Kennedy implemented dramatic changes to ACIP membership in June, dismissing all 17 existing members while citing concerns about conflicts of interest within the panel. However, he provided no supporting documentation for these allegations, and subsequent academic analysis by University of Southern California researchers indicated that such conflicts had actually reached historically low levels.
The secretary rapidly installed eight replacement members, though one withdrew during background checks due to financial conflicts. Several appointees have made disputed claims regarding vaccine safety, including statements about alleged health risks that lack scientific consensus support.
Scientific Backgrounds and Controversies
Dr. Stein co-authored research questioning pandemic modeling accuracy for Health Freedom Ohio, an organization connected to Children’s Health Defense, Kennedy’s former anti-vaccine advocacy group. Her work has challenged mainstream public health approaches.
Dr. Griffin expressed opposition to vaccination promotion efforts during health freedom conferences, aligning with alternative perspectives on immunization policy.
Dr. Milhoan’s congressional testimony included assertions about vaccine-related cardiac deaths and disability claims. He referenced Cleveland Clinic research suggesting increased vaccination correlated with higher infection rates, though fact-checkers noted significant misinterpretation of the study’s actual findings.
Upcoming Committee Responsibilities
The restructured panel faces immediate responsibilities with Thursday and Friday meetings scheduled to address multiple vaccine recommendations. Discussions will cover coronavirus immunizations alongside hepatitis B vaccines, measles-mumps-rubella-varicella combinations, and respiratory syncytial virus prevention strategies.
These newly appointed members are expected to participate actively in deliberations that influence national immunization policies affecting millions of Americans.
Appointment Process Concerns
Former committee members note that typical vetting procedures for new appointees usually require two to three months, including thorough conflict-of-interest reviews. The accelerated timeline for these appointments represents a departure from established practices.
The rapid restructuring has raised questions about maintaining scientific rigor and independence in vaccine policy recommendations, particularly given some appointees’ previous statements challenging established immunization science.
This transformation of ACIP reflects broader changes in federal health policy approaches under current leadership, with potential implications for public health guidance and vaccine access nationwide.


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