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Health and Human Services Secretary Robert F. Kennedy Jr. is overseeing a broad federal initiative examining vaccine safety, childhood immunization schedules, and long-debated questions surrounding autism and chronic disease.
By yourNEWS Media Newsroom
Robert F. Kennedy Jr. is leading what officials described as an extensive multi-agency effort to examine vaccine safety, childhood immunization schedules, and potential links between vaccines and chronic disease conditions, according to a New York Times report.
The initiative reportedly involves researchers across several federal agencies and includes plans to compare long-term health outcomes between vaccinated and unvaccinated children while also studying questions involving autism and vaccine ingredients including thimerosal, a mercury-based preservative previously used in some vaccines.
According to the report, Kennedy has identified the research initiative as a major priority despite political concerns surrounding vaccine debates ahead of the 2026 midterm elections.
The effort is reportedly being led in part by Martin Kulldorff, a biostatistician known for criticizing COVID-19 lockdowns and vaccine mandates during the pandemic.
Kulldorff co-authored the Great Barrington Declaration in 2020, a document challenging widespread lockdown policies and advocating alternative public health strategies.
The New York Times acknowledged Kulldorff maintains credibility within portions of the scientific community despite controversy surrounding his pandemic-era positions.
The initiative will also reportedly involve Sara Brenner, who was recently appointed deputy commissioner of the Food and Drug Administration.
Brenner has publicly supported additional vaccine safety testing and is viewed as aligned with Kennedy’s broader “Make America Healthy Again” health agenda.
Andrew G. Nixon, a spokesperson for the Department of Health and Human Services, said the initiative reflects President Donald Trump’s public health priorities.
Kennedy “is executing on President Trump’s commitment to strengthen public health by advancing gold-standard vaccine research,” Nixon told The Defender.
“We are continuing to conduct studies to better understand vaccine safety and efficacy and to assess how vaccine exposure, timing, and patterns affect health across the lifespan,” Nixon said.
He added that failing to pursue the research “would amount to gross negligence by an agency charged with protecting public health and rebuilding public trust.”
According to the New York Times, the initiative may cost the Centers for Disease Control and Prevention approximately $50 million.
The project has generated criticism from some vaccine researchers and public health advocates who argue the topics have already been extensively studied.
The Times reported some critics fear the initiative could further weaken public confidence in vaccines.
However, several physicians, epidemiologists, and advocacy groups welcomed the expanded research effort.
Internal medicine physician Clayton J. Baker said current vaccine research has not adequately addressed many questions raised by families and critics.
“It is long overdue, as the existing research is not designed to — or rather, it is designed not to — identify any such link between vaccines and autism,” Baker said.
John Gilmore, who serves on the federal Interagency Autism Coordinating Committee, also expressed support for the initiative.
“They do not and have never done comparisons of a vaccinated to an unvaccinated group,” Gilmore said.
“They compare one vaccinated group to another vaccinated group. If they use a placebo, it is never inert.”
Gilmore further claimed federal agencies possess unpublished data from vaccine studies that did not produce desired outcomes.
Barbara Loe Fisher said past reports from the Institute of Medicine — now called the National Academy of Medicine — identified substantial gaps in vaccine safety research.
“They found that epidemiological studies were too often methodologically flawed or absent, and there was special concern about a scarcity of bench science investigating the biological mechanisms of vaccine injury and death at the cellular and molecular level,” Fisher said.
Supporters of the initiative also rejected arguments that vaccine science surrounding autism and cumulative childhood vaccination exposure is fully settled.
Daniel O’Connor, founder of TrialSite News, criticized the phrase “the science is settled.”
“Science is never settled — especially when dealing with complex neurodevelopmental disorders like autism, evolving vaccine schedules, cumulative exposure questions, gene-environment interactions, immune activation pathways, adjuvants, or long-term outcomes that remain incompletely understood,” O’Connor said.
Baker similarly argued that increasing additions to childhood immunization schedules warrant additional long-term study.
“Issues such as the potential toxicities from multiple simultaneous injections at pediatric visits, and the cumulative risks of dozens and dozens of total shots across childhood have never been scientifically evaluated,” Baker said.
The initiative also comes amid renewed scrutiny involving several past vaccine-related studies.
A widely cited 2002 study concluding there was “strong evidence” against a connection between the MMR vaccine and autism has faced criticism from researchers and advocacy groups alleging methodological flaws.
One co-author of that study, Danish researcher Poul Thorsen, was recently extradited to the United States to face charges involving alleged wire fraud and money laundering connected to CDC grants tied to autism research.
Additional criticism has also targeted studies involving aluminum-based vaccine adjuvants and observational research methodologies.
Epidemiologist M. Nathaniel Mead said many existing population-based autism studies may overlook environmental, metabolic, and biochemical differences between children.
“What these studies tend to overlook is how environmental toxins can trigger or worsen autism symptoms in kids who are already vulnerable,” Mead said.
Public skepticism surrounding vaccines and mandates has also increased in recent years.
A Politico poll conducted earlier this year found nearly half of U.S. adults believe vaccine science remains open for debate, while a Zogby Strategies poll found most respondents supported the right to refuse vaccines for themselves or their children.
Federal vaccination rates have also declined in recent years. According to CDC data, childhood vaccination rates reached a record low for the third consecutive year.
Katie Wright, the mother of an adult with autism, told the Times she supports deeper safety research despite criticism surrounding Kennedy’s initiative.
“There’s been tremendous pushback; they say, ‘Well, the research has been done,’” Wright said. “Well, you know what? A lot of families are concerned. I don’t understand the fear of delving deeper into safety research.”
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