The analysis also found no tie between aluminum adjuvants and autism spectrum disorders.
Most Americans favored vaccination programs before the Trump administration began reshaping federal vaccine policy.
The comments centered on a memo from FDA Center for Biologics Evaluation and Research Director Vinay Prasad.
CDC vaccine advisers turned their focus to the childhood vaccine schedule, though no votes were cast.
The measures, which passed despite vehement protests from several members, drew swift rebuke from the medical community.
“We are deeply concerned by sweeping new FDA assertions about vaccine safety and proposals that would undermine a regulatory model designed to ensure that vaccines are safe, effective, and available," write 12 former FDA directors.
Unanticipated funding disruptions can jeopardize follow-up, undermine data quality, and leave researchers unable to complete analyses.
Overall, 63% of Americans say they are extremely or very confident that routine childhood vaccines are effective at preventing serious illness.
Among US adults, 23% say RFK Jr recommends that kids should get the measles vaccine, 29% say he does not recommend it, and 48% aren't sure.
The large-scale project was conducted by the Center for Infectious Disease Research and Policy's Vaccine Integrity Project.