Kennedy Faces Pressure from MAHA Supporters and White House over Vaccines

Health and Human Services Secretary Robert F. Kennedy Jr. faces competing pressures from Make America Healthy Again supporters demanding action on vaccines and pesticides, and a White House seeking to address President Trump's unpopularity.

Protesters chanted outside the Cleveland City Club as Kennedy spoke to a bipartisan group during his tour of northern Ohio. Half the audience applauded his push for parental choice on child vaccinations. The other half sighed and gasped in frustration.

Kennedy's schedule will intensify as he campaigns for GOP lawmakers in states with tight midterm races. His appearances aim to boost Republican candidates, but they highlight the strains he faces in keeping support from GOP voters, particularly MAHA backers.

Tensions grow between the White House and Kennedy's vaccine skepticism. Some MAHA followers feel betrayed by the Trump administration's reluctance to restrict pesticides, end COVID vaccine access, or probe contrail conspiracy theories.

Certain MAHA supporters hope Kennedy runs for president in 2028. He dismissed the idea in a May 7 KFF Health News interview. "No, I'm not going to run," he said when asked about another Republican bid.

A Kennedy run would clash with Trump, who considers Secretary of State Marco Rubio and Vice President JD Vance as successors. Trump has talked of running again, though the 22nd Amendment bars it. Kennedy's departure from HHS would weaken MAHA's sway there.

"If he isn't secretary, then MAHA's influence will severely diminish," said David Mansdoerfer, a deputy assistant secretary for health at HHS in Trump's first term.

"Running would be perfectly logical for Bobby," said Christopher Bosso, a public policy and political science professor at Northeastern University. "Kennedy is being a good soldier, but to what extent? That is going to be a question."

Trump's recent moves have angered MAHA supporters. In April, he nominated vaccine advocate Erica Schwartz to head the Centers for Disease Control and Prevention. Kennedy had fired the prior director, Susan Monarez, who said she lost her job for not clearing vaccine advice in advance.

Kennedy backs Schwartz but told lawmakers last month he did not discuss her nomination with Trump. MAHA critics blast her COVID vaccine support as proof the White House reins in Kennedy.

"Trump's pick to head the CDC, Erica Schwartz, would likely be a disaster," lawyer Aaron Siri, a Kennedy ally, posted on X.

Trump also pulled wellness influencer Casey Means, another Kennedy supporter, from surgeon general consideration. He nominated radiologist Nicole Saphier, a former Fox News contributor, instead. MAHA backers decry the mainstream choice. Means drew fire from Republican senators for questioning contraception and defending a debunked vaccine-autism link.

"DOGE the Surgeon General!!! We want medical freedom!!!! If not Casey - we take no one!" MAHA influencer Vani Hari posted on X on May 1.

These steps risk eroding MAHA backing for Republicans. Candidates in swing races already distance themselves from Kennedy's vaccine-skeptical movement.

MAHA supporters also fault Trump policies rolling back environmental rules and backing pesticides. Stephanie Weidle, a 34-year-old Washington resident, rallied against glyphosate protections outside the Supreme Court last month.

The reliable Republican voter called administration actions disappointing. She wants Kennedy to scrutinize the childhood vaccine schedule and crop chemicals more aggressively. "His hands have been tied," she said. "Republicans have made a grave misstep in not leading with MAHA."

Kennedy balances White House calls to ease vaccine attacks with MAHA demands for more. He praised Saphier as a "long-time warrior for the MAHA movement" on X.

His podcast has shifted from vaccine "lies" to food and nutrition. In House Ways and Means Committee hearings, he stressed healthcare costs and drug prices, plus nutritional guideline changes and food dye curbs. He skipped divisive topics like vaccine schedules and autism causes.

Kennedy's appeal fades outside MAHA circles. A March Conservative Political Action Conference straw poll of over 1,600 attendees showed near-zero support for him as a presidential pick.

"He has a constituency that is very much attached to MAHA that may not vote in the Republican primaries or in a general election," said Robert Blendon, professor emeritus of health policy at Harvard University.

Kennedy ran as a Democrat and independent in 2024 before endorsing Trump in August. His MAHA voters helped tip the election, advisers say. A March Politico poll found a third of voters identify as MAHA supporters, strongest among Trump backers.

An April KFF Health News poll showed 81 percent of voters say child vaccine policy affects their 2026 midterm choice. They trust Democrats more on vaccines and health. But 64 percent worry about healthcare costs, with 88 percent saying it impacts their vote.

Republicans in Congress and the administration plan to skip MAHA in midterms, said scientist Robert Malone, a Kennedy ally who left the federal Advisory Committee on Immunization Practices in March. He posted on X April 16.