HHS Secretary Robert F. Kennedy Jr. has faced criticism from multiple fronts regarding his management of vaccine recommendations. He has stalled appointments to the Advisory Committee on Immunization Practices (ACIP) after a judge blocked previous attempts, which prevents new vaccines from receiving the official recommendations required for mandatory insurance coverage.
Following an August 2026 executive order from President Trump, RFK Jr. issued a request for information (RFI) to evaluate and potentially change federal childhood vaccine recommendations, emphasizing religious freedom and individual autonomy. Simultaneously, over 100 figures, including Tucker Carlson and Thomas Massie, signed an open letter accusing the administration of a "bait and switch" for continuing to support mRNA vaccine technology.