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Internal emails show how RFK Jr.'s team sought to sway the CDC

Politics

Internal emails show how RFK Jr.'s team sought to sway the CDC

By Joe Walsh Senior Editor, Politics Joe Walsh is a senior editor for digital politics at CBS News. Joe previously covered breaking news for Forbes and local news in Boston. Read Full Bio Joe Walsh

June 25, 2026 / 11:24 PM EDT / CBS News

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A trove of newly released internal emails offers a new look at how the Centers for Disease Control and Prevention navigated some of the most controversial public health decisions of President Trump's second term — and, at times, chafed at pressure from Health and Human Services Secretary Robert F. Kennedy Jr. and his team.

The emails span from the administration's early days — when HHS sought to shut down a flu vaccine advertising campaign — to the dramatic firing of CDC Director Susan Monarez last August. They were formally released Thursday by Democrats on the Senate Committee on Health, Education, Labor and Pensions, which said it obtained them from Dr. Debra Houry, the CDC's former chief medical officer who resigned after Monarez was ousted.

The committee's ranking member, independent Sen. Bernie Sanders of Vermont, argued the emails show Kennedy, a longtime vaccine skeptic, "prioritized politics over public health, ignored expert guidance, and endangered people, particularly children."

CBS News has reached out to HHS for comment.

Request to pull flu vaccine ads "came directly from" RFK Jr.

In mid-February 2025, during flu season, then-CDC communications official Nicole Coffin told colleagues in an email that HHS communications chief Andrew Nixon "asked that we pull out of circulation all campaign ad buys related to flu or anything encouraging shots or vaccinations." 

The request "came directly from the Secretary," Coffin said she was told, adding that the plan was to focus on "informed consent," or messaging that informs patients of risks and benefits.

Another CDC official then looped in Monarez and Houry and warned of possible consequences.

"Given that this is the worst flu season in years, halting a campaign currently in the field presents significant reputational risk to the agency," he wrote in an email. "There are also likely legal issues with contracts/appropriated funding."

On a separate email chain, Coffin asked Nixon if she could share the CDC's flu shot-related ad campaigns with him so the agency could understand what needed to change. Nixon responded that he was happy to take a look, but "this was a direct ask from Secretary Kennedy."

Several days later, Coffin said HHS had "instructed we immediately pause" a pro-vaccination ad campaign called "Wild to Mild." Another campaign known as "Get My Flu Shot" would remain.

RFK's move to replace members of vaccine panel: "He doesn't care which members"

A few months into his tenure, Kennedy removed all 17 members of the Advisory Committee for Immunization Practices, which makes vaccine recommendations for the nation. Before making the decision public, a Kennedy aide noted in a memo that the panel, known as ACIP, had only one vacancy after 2024 and new openings would not come up until 2027.

"This gives Biden appointees significant sway over ACIP and its recommendations until 2028," according to a draft memo, which outlined Kennedy's options for replacing either some or all of the existing ACIP members.

Separately, in a set of notes from an internal meeting on the planned changes, a CDC official appeared to suggest Kennedy's team was frustrated that the Biden administration had filled vacancies just before Joe Biden left office. 

"They think last minute appointments were a way to block. Didn't ask us for help," the official wrote, summarizing Kennedy's views. 

"Secretary wants to replace 10 members on the ACIP committee. He has a bench of 10 ready to replace," the notes also read. "He doesn't care which members."

Stuart Burns, a Kennedy adviser at the CDC, was tasked with writing a new memo about the plan. The stated objective would be "to 'depoliticize' the committee by installing people more aligned to the Secretary's agenda," the meeting notes said.

ACIP's influential recommendations are closely watched because they're directly tied to federal policies — including which vaccines insurers are required to cover.

Ultimately, Kennedy removed all the members, writing in an opinion piece in The Wall Street Journal, "A clean sweep is needed to re-establish public confidence in vaccine science." 

His picks included close allies and members of his inner circle. Several had a history of criticizing vaccine recommendations or questioning their safety. Some had ties to lawsuits against vaccine makers. One said he had previously invested in a vaccine.

A federal judge ruled in March the changes at the advisory committee were unlawful, finding the Trump administration had "disregarded" required processes. HHS appealed. 

Major CDC decisions needed "political review"

In mid-August of last year, a senior HHS aide sent Monarez an email emphasizing the "absolute need for political review of major policy decisions at CDC."

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