Anti-vaxxer. Spreader of misinformation. Dangerous.
Del Bigtree understands the vitriol that Robert F. Kennedy, Jr., faced during his presidential campaign and his confirmation process for secretary of Health and Human Services (HHS).
For years, Bigtree has had the same attacks directed at him.
As partner behind the documentary âVaxxed,â and founder of the Informed Consent Action Network, Bigtree is considered one of the nationâs most prominent advocates for vaccine safety studies, childrenâs health, and informed consent, along with Kennedy.
Bigtree and Kennedy have worked together on vaccine-related issues for more than a decade. Bigtree was also among the advisers present when Kennedy decided to run for president and he served as the candidateâs communications director during his campaign.
Standing in the Oval Office in February watching Kennedy take the oath to serve as secretary of HHS, Bigtree said he felt a wave of emotions.
He said he thought about âall the slinging arrows cast his way from the moment he entered the race as a Democrat, all of the criticism from the mainstream media, and all of the obstacles designed to wreck his campaign.â
âHe was confronted with so many hurdles but he kept moving forward with what he believes,â Bigtree told The Epoch Times. âThat moment, when he put his hand on the Bible and was sworn in, was sweet because he was now in a position to make a greater impact on issues weâve fought for a long time.â
Bigtree, now CEO of the MAHA Action political action committee, is still the head of Informed Consent Action Network and host of âThe Highwire,â an online show that explores vaccine safety and health issues.
Earlier in his career, he was a producer for the âDr. Phil Showâ and the CBS talk show, âThe Doctors.â He won an Emmy Award during his time there.

Del Bigtree, CEO of MAHA Action political action committee, at the groupâs headquarters outside Austin, Texas, on April 19, 2025. Bobby Sanchez/The Epoch Times
His tenure on âThe Doctorsâ sparked a new path.
For a decade, the show mostly focused on episodes about cutting edge surgeries and medical breakthroughs, Bigtree noted.
In 2014, a radiologist approached Bigtree about a story on the link between vaccines and autism. Bigtree recalls telling him, ââOn âThe Doctors,â we are pretty set on the idea that vaccines donât cause autism, and that vaccines are safe and effective. But if thatâs a space youâre really focused on, Iâm always interested in a controversy and in a story.â
âI told him that something really big would have to happen for me to even pitch the story,â Bigtree said.
A year later, the same radiologist alerted Bigtree to Dr. William Thompson, a âwhistleblower inside the CDC,â the Centers for Disease Control and Prevention.
Thompson was about to come forward to say âthat the CDC is committing scientific fraud with their vaccine safety studies,â Bigtree said.
âThe Doctorsâ would not broadcast the story.
Around the same time, Bigtree met Dr. Andrew Wakefield, the British physician who linked the measles, mumps, rubella (MMR) vaccine to autism, in an article published in the medical journal, The Lancet.
The story drew backlash from the pro-vaccine community and was eventually retracted. Wakefield lost his medical license but he continued on his mission to show a connection between the MMR vaccine and autism.
Bigtree learned about Wakefieldâs documentary that chronicled Thompsonâs story about the CDC. He watched the filmâs first version in the basement of Wakefieldâs home.
Bigtree left âThe Doctorsâ and teamed up with Wakefield to finish the documentary.
âVaxxed: From Cover-up to Catastropheâ was released in 2016 and drew widespread controversy. Actor Robert DeNiro removed the film from the Tribeca Film Festival in 2016. Several venues were criticized for showing the documentary.
Bigtree promoted the film on a bus tour and became a celebrity within the medical freedom movement.

British reporter Brian Deer (R) confronts Dr. Andrew Wakefield (C) as he arrives with his wife, Carmel (L), to the General Medical Council in London on Jan. 28, 2010. Wakefield, who linked the MMR vaccine to autism in a 1998 Lancet article, faced widespread backlash and lost his medical license. He later directed the documentary âVaxxed: From Cover-up to Catastrophe.â Shaun Curry/AFP via Getty Images
Scientific Studies
Kennedy has said the link between autism and vaccines has not been disproven, and that none of the vaccines given to children during the first six months of life have been tested for such a connection.
In 2019, the Informed Consent Action Network submitted a Freedom of Information Act request to the CDC asking for âall studies relied upon by CDC to claim that the DTaP vaccine does not cause autism.â
The DTaP vaccine is used to protect against diphtheria, tetanus, and pertussis (whooping cough). The Network also submitted the same request for the hepatitis B vaccine, influenza and pneumococcal vaccines, and the polio vaccine.
The group also asked that the CDC provide studies to show that cumulative exposure to these vaccines during the first six months of life do not cause autism.
Bigtree said the CDC finally provided 20 studies, none of which showed that the vaccines do not cause autism.
Bigtree said he launched âThe Highwireâ in 2017 to present the evidence that the Informed Consent Action Network was finding in courts.
âWeâve heard about mountains and mountains of studies, and tons and tons and millions of children by every single news pundit in the world, but theyâre lying. They could not provide a single one. It is shocking,âBigtree said.
âAnd finally, Robert Kennedy, Jr., is going to do something about it.â
As health secretary, Kennedy has promised significant changes throughout his department, and among the changes he has already made include widespread reductions in staff.
The requirement is âa radical departure from past practices,â a spokesperson for the HHS told The Epoch Times in an email.
âExcept for the COVID vaccine, none of the vaccines on the CDCâs childhood recommended schedule was tested against an inert placebo, meaning we know very little about the actual risk profiles of these products,â the spokesperson said.

A 22-month-old baby receives a Moderna COVID-19 vaccination in the thigh at Temple Beth Shalom in Needham, Mass., on June 21, 2022. Joseph Prezioso/AFP via Getty Images
âIf he is confident vaccines are safe, why did he block the data from being seen?â Bigtree said.
âBias should not be able to impact science. Until now, weâve only had scientists who are biased for vaccines. Regulatory agencies should be skeptical and consistently searching for answers. The bias has to end, and Iâm confident it will under Bobbyâs leadership,â he said.
Bigtree said Kennedy should bring into HHS scientists who want to determine if there is some connection between vaccines and autism.
âGet scientists who say, âI think I can prove vaccines do cause autism,ââ Bigtree said. âIf they canât pull that off, now you have a true safety profile.â
Kennedy has said for years that autism is likely tied to childhood vaccines.
President Donald Trump said in December 2024 that he would give Kennedy the freedom to investigate the potential link between vaccines and autism if the latter was confirmed as HHS secretary.
Earlier this month, Kennedy said in a Cabinet meeting that âwe will know what has caused the autism epidemic and weâll be able to eliminate those exposures.â
Kennedy said on April 16 that autism is an epidemic and criticized people who attribute the jump largely or solely to better screening and diagnostic criteria.
âDoctors and therapists in the past were not stupid,â he said. âThey werenât missing all these cases. The epidemic is real.â
During an April 16 address, Kennedy also said that autism âdestroys familiesâ and âour children.â
âThese are kids who will never pay taxes. Theyâll never hold a job. Theyâll never play baseball. Theyâll never write a poem. Theyâll never go out on a date. Many of them will never use a toilet,â Kennedy said during the briefing.

Health Secretary Robert F. Kennedy Jr. speaks during a news conference at the Department of Health and Human Services in Washington on April 16, 2025. On April 30, HHS announced that all new vaccines must be tested against a placebo before receiving approval. Alex Wong/Getty Images
The remarks drew criticism from some parents, who said that their autistic children are successful and not reflective of what Kennedy described. Other parents of children with autism fiercely defended Kennedy, noting that he was accurately describing how the condition impacts some families.
At the briefing, Kennedy also explained that genetics may be behind some cases of autism, but that environmental factors are behind what he called the âautism epidemic.â
Vaccines and food additives are among the possible causes, he said. And he said that autism is a âpreventable disease.â
On April 17, Kennedy clarified the remarks that drew the ire of some parents.
âThere are many kids with autism who are doing well. Theyâre holding down jobs, theyâre getting paychecks, theyâre living independently,â Kennedy said on Fox News.
Bigtree applauded Kennedy for his commitment to find answers about the autism epidemic.
âWhat was shocking about todayâs statement is the fact that it was shocking at all,â Bigtree said.
âFinally, for the first time, weâre hearing from an HHS Secretary that there has to be an environmental toxic exposure that is causing this. Itâs a preventable disease.â
Bigtree said genes donât cause an epidemic.
âYet all the funding from our regulatory agencies has been into the genetics around autism, instead of what environmental toxin or group of toxins is causing this for all the autistic parents out there,â Bigtree said.
As Kennedy delivered his April 16 remarks, Bigtree said, âI thought, how many scientists and individuals have stood at that podium and told us that it was genetic and that we shouldnât be worrying about this or refusing to call this an epidemic?â
âFinally, that ends today,â he added.

Autism Speaks holds as autism awareness event at Chicago Childrenâs Museum in Chicago on April 8, 2017. Daniel Boczarski/Getty Images for Autism Speaks
Launching MAHA
As Kennedyâs campaign communications director, Bigtree accompanied the candidate to town halls and speaking engagements across the country. The campaign gained momentum for several months, drawing support from conservatives, moderates, and independents.
Kennedy and Trump started conversations not long after Trump survived an assassination attempt at a rally in Butler, Pennsylvania, last July, Bigtree said.
âFrom that point, to when Bobby announced he was suspending his campaign and joining President Trump, it was difficult for everyone on the campaign team,â Bigtree said.
âI think all of us had days when our perspective shifted about staying in the race or joining Trump. I imagine Bobby felt the same way.â
Kennedy announced his move to leave the race and endorse Trump at a rally on Aug. 23, 2024, in Glendale, Arizona.
During his speech, Kennedy said that Trump was giving him the opportunity to make America healthy again.
That phrase was quickly shared in hashtags on social media and MAHA was born.
Bigtree said the crowd reaction to Kennedy that night was overwhelming.
âIâve known Bobby for a long time and have seen him take all the slings and arrows from his fight for medical freedom, all the attacks from the mainstream media, the lack of support from the Democratic Party, and all of the obstacles presented during his independent presidential campaign,â he said.
âFrom that reaction that night, and the powerful speech that Bobby made, there was no question he had made the right decision.â
Bigtree said the focus shifted; the MAHA Action PAC was launched and began working to encourage Kennedy supporters to cast their vote for Trump.

Host of âThe Highwire,â Del Bigtree, is at the MAHA Action political action comittee headquarters outside Austin, Texas, on April 19, 2025. Bigtree, who served as Robert F. Kennedy Jr.âs communications director during his presidential campaign, praised Kennedyâs commitment to investigating autism. Bobby Sanchez/The Epoch Times
The PAC advocates for policies such as vaccine safety information transparency, improved access to holistic health care, examining the food industry, and addressing corporate influence on government health agencies.
MAHA Action is also debuting a national directory of physicians who are pro-MAHA, and the preventive health approach of prioritizing lifestyle adjustments over prescription drugs.
The organization also has a database that tracks proposed legislation in states nationwide, indicating whether policies are âanti-MAHAâ or âMAHA approved.â
Visitors to the MAHA Action site will be able to track legislators to see if they support the MAHA initiative, Bigtree said.
MAHA took all these different groupsâincluding mothers advocating for organic food and people fighting for informed consent, regenerative farming communities standing against herbicides and pesticides, and organic farming communitiesâand united them into a single comprehensive movement.
That delivered votes for Trump, Bigtree believes.
âPresident Trump pulled something off that no one believed was possible. He won every battleground state,â Bigtree said.
âWhen it came to moms and health and making America healthy again, and getting the toxic chemicals out of our food, which became a real battle cry across America, I think thatâs really what shifted the energy in this country.â
Bigtree believes Kennedyâs presence contributed to the resounding win âthat left no confusion that Americans mandated drastic change.â
âBobby changed the energy of President Trump. I think MAHA, in many ways, sort of brought a softer edge to the MAGA movement,â Bigtree said. âEverywhere we went, we heard people tell us they were never going to vote for President Trump until RFK Jr. joined.â
On April 6, for the first time that Bigtree could recall, he vehemently disagreed with a Kennedy statement about vaccines.
For a decade, Kennedy and Bigtree have been among the most vocal critics of the efficacy and safety of the MMR vaccine because of its potential link to autism and other conditions.

A person walks past a sign at a health center where the MMR (measles-mumps-rubella) vaccine is administered in Lubbock, Texas, on Feb. 27, 2025. Ronald Schemidt/AFP via Getty Images
Kennedyâs support for the MMR vaccine after years of criticism drew sharp criticism from some people in the medical freedom community.
Bigtree responded on X, saying Kennedyâs post must have âgot cut offâ and that âthe MMR vaccine is also one of the most effective ways to cause autism.â
âFor all who are askingâI have worked with Bobby for many years and I can confidently say that he has a heart that is incapable of compromise. I also recognize that he is at a poker table with the slyest serpents in the world and the stakes are nothing less than the lives of our children and the future of our species.
âWe should not ask him to show his cards for our sake, but we can demand that he takes a little more time to write a better ⊠post than this one,â Bigtree said.
On April 13, Bigtree told The Epoch Times, âI would have said that statement differentlyâ because vaccines have side effects and âthose side effects should be stated.â
He added that unlike Kennedy, he is ânot limited by the shackles of political appointmentâ and he will not alter his perspective.
He reiterated his support for Kennedy.
âI have complete faith in Bobby and that real science and transparency will become the center of HHS. His job is to be HHS secretary for the entire country,â Bigtree said. âVaccines will be available for people but there will be informed consent and transparent studies from unbiased science.â
An HHS spokesperson said via email that Kennedy âwill be enlisting the entire agency to activate a scientific process to treat a host of diseases, including measles, with single or multiple existing drugs in combination with vitamins and other modalities.â
âIt Will Take Timeâ
Many MAHA advocates want to see changes that include changing the childhood vaccine schedule, ending pharmaceutical advertising on television, performing detailed vaccine safety studies, and making the results transparent.
Bigtree urges patience.
He points to the push to ban artificial dyes from foods as an example of early progress in Kennedyâs tenure.

Packages of Doritos chips are displayed on a store shelf in San Anselmo, Calif., on April 23, 2025. Health Secretary Robert F. Kennedy Jr. announced plans to phase out all artificial dyes from the food supply by the end of 2026. The Food and Drug Administration is directing the food industry to replace petroleum-based synthetic dyes with natural alternatives. Justin Sullivan/Getty Images
On April 22, the FDA announced a plan to remove artificial dyes from the U.S. food supply.
Officials said that the government is banning two synthetic coloringsâCitrus Red No. 2 and Orange B, which can currently be used to color hot dogs and sausagesâand is going to work with companies to eliminate the other dyes by the end of 2026.
Multiple state legislatures have introduced bills designed to ban artificial dyes and other food additives.

In October 2023, the California Legislature banned red food dye No. 3. Last August, it also passed a measure to remove six other common dyes from use in school foods.
Virginia passed a similar measure in March.
âWithout the movement, and Bobby becoming secretary of Health and Human Services, there would still be talk about getting chemicals out of our food supply, but thatâs all it would beâjust talk,â Bigtree said.
âThis movement keeps growing because it is made up of people who are informed and engaged. They want to see results they thought they might never see in their lifetime.â he said.
âIt will take time. It will be worth the time and worth the effort.â

Health Secretary Robert F. Kennedy Jr. speaks at a press conference with National Institutes of Health Director Dr. Jay Bhattacharya on the FDAâs plan to phase out petroleum-based synthetic dyes in the U.S. food supply, at the Department of Health and Human Services in Washington on April 22, 2025. Oliver Contreras/AFP via Getty Images
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