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A Project of The Annenberg Public Policy Center

Trump and RFK Jr. Repeat False and Misleading Vaccine Claims

Trump and RFK Jr. Repeat False and Misleading Vaccine Claims

During the signing of an executive order on vaccines, President Donald Trump and Health and Human Services Secretary Robert F. Kennedy Jr. made a deluge of false and misleading claims about the U.S. childhood vaccine schedule.

Trump’s False MMR Vaccine Claims

Trump’s False MMR Vaccine Claims

In signing an executive order about childhood vaccines, President Donald Trump falsely suggested that the measles, mumps and rubella, or MMR, vaccine was unsafe and that splitting up the combination shot would reduce the number of children with autism. There’s no evidence for those claims, and the vaccine has been well-studied for several decades.

RFK Jr.’s Falsehood-Filled CNN Interview

RFK Jr.’s Falsehood-Filled CNN Interview

In a contentious interview on CNN’s “State of the Union,” Health and Human Services Secretary Robert F. Kennedy Jr. made several false, misleading and baseless claims about the origins of Lyme disease and the respiratory syncytial virus, the COVID-19 pandemic, and what the science shows about autism, vaccination and acetaminophen use during pregnancy.

A Timeline of RFK Jr.’s Mixed Messaging on the Measles Vaccine

A Timeline of RFK Jr.’s Mixed Messaging on the Measles Vaccine

In defending his record on measles, Health and Human Services Secretary Robert F. Kennedy Jr. twice said during a recent Senate hearing, “We promote” the measles vaccine. While it’s true that the Centers for Disease Control and Prevention continues to recommend the shot, Kennedy has rarely made an unequivocal endorsement of it, even as the nation has seen an alarming rise in measles cases.

Q&A on Changes to Recommendations for Combined MMR and Chickenpox Vaccine

Q&A on Changes to Recommendations for Combined MMR and Chickenpox Vaccine

On Sept. 18, the vaccine advisory committee for the Centers for Disease Control and Prevention voted to change its recommendation on the combined vaccine for chickenpox and measles, mumps and rubella, called the MMRV vaccine. We spoke to experts about claims made at the meeting as well as the implications of the vote.

No Sign of Texas Measles Outbreak Slowing, Contrary to RFK Jr.’s Claims

No Sign of Texas Measles Outbreak Slowing, Contrary to RFK Jr.’s Claims

On four separate occasions, Robert F. Kennedy Jr., the Health and Human Services secretary, has suggested that the measles outbreak in Texas, which is now over 500 cases, is beginning to subside and grow more slowly. But a review of state data indicates there’s no decline yet in the pace of cases.

Posts Make Unsupported Claims About Origin of Texas Measles Outbreak

Posts Make Unsupported Claims About Origin of Texas Measles Outbreak

The measles vaccine uses a weakened virus that’s never been shown to spread to others. Samples from the outbreak in Texas also show that a wild-type virus is responsible. Yet, social media posts have falsely claimed that the outbreak is due to a vaccine strain. Without evidence, other posts have blamed immigrants crossing the southern border illegally.

RFK Jr. Misleads About Measles Vaccine in Hannity Interview

RFK Jr. Misleads About Measles Vaccine in Hannity Interview

In an interview with Fox News’ Sean Hannity, Health and Human Services Secretary Robert F. Kennedy Jr. made several unsupported or misleading claims about the measles vaccine, which the Centers for Disease Control and Prevention has said is safe and “the most important tool to prevent” the disease. Meanwhile, a measles outbreak in Texas continues to expand. 

Measles Is Harmful, Contrary to Flimsy Social Media Claims of Long-Term Benefits

Measles Is Harmful, Contrary to Flimsy Social Media Claims of Long-Term Benefits

Measles is an extremely contagious vaccine-preventable disease that can lead to death or disability. It also wipes out immune memory for several years after an infection. As an outbreak in Texas continues to expand, social media posts have claimed without sufficient support that measles infections are beneficial later in life against cancer and other diseases, an idea health secretary Robert F. Kennedy Jr. has echoed.

RFK Jr. Misleads on Vitamin A, Unsupported Therapies for Measles

RFK Jr. Misleads on Vitamin A, Unsupported Therapies for Measles

In the midst of a growing measles outbreak in Texas that has killed one child, Health and Human Services Secretary Robert F. Kennedy Jr. has misleadingly focused on vitamin A, including from cod liver oil, and two non-standard medications as treatments for measles.