Our annual roundup of the worst falsehoods of the year.
Whoppers of 2024
Issues: vaccination
Sen. Mullin’s Misleading Vaccine Testing Claim
Sen. Markwayne Mullin’s suggestion that vaccines might cause autism because “there’s not been a direct study on each individual vaccine” misunderstands what’s known about autism, the extensive research on the subject and how science works.
As Trump Taps RFK Jr. for Health Secretary, a Look Back at Kennedy’s Claims
In one of his most controversial Cabinet picks, President-elect Donald Trump said he would nominate Robert F. Kennedy Jr. to lead the Department of Health and Human Services. Here, we summarize our past work fact-checking Kennedy’s claims about health and science.
Trump Embraces RFK Jr.’s Views on Vaccines, Fluoride
In the waning days of his campaign, former President Donald Trump has further embraced some of Robert F. Kennedy Jr.’s incorrect or controversial views on health, including vaccines and fluoride.
Posts Sharing Mpox Misinformation Recycle Claims from Prior Viral Outbreaks
Responding to rising mpox cases in Africa, the World Health Organization declared a public health emergency of international concern on Aug. 14. Social media posts subsequently repeated a plethora of false or baseless claims, including that COVID-19 vaccines cause the viral disease or that the current outbreak is part of a global conspiracy.
Bird Flu Pandemic Preparedness Activities Are Not Evidence of a Conspiracy
The circulation of H5N1 bird flu in animals and limited infections in humans have motivated flu preparedness activities, such as stockpiling vaccines. Social media posts have baselessly implied that these efforts are evidence that a new laboratory-derived version of the virus is going to cause a pandemic — or even that there is a conspiracy to release bird flu from a lab.
Trump Repeats Falsehoods About Childhood Vaccines in Leaked Phone Call With RFK Jr.
In a leaked phone call with independent presidential candidate Robert F. Kennedy Jr., former President Donald Trump incorrectly suggested that childhood vaccine doses are too large and can provoke sudden, radical changes in babies. There’s no evidence that the current vaccination schedule is harmful to kids.
‘Who Is Bobby Kennedy?’ Video Promotes Debunked Anti-Vaccine Narratives
A recent video promoting independent presidential candidate Robert F. Kennedy Jr. promises to “start with some irrefutable facts.” The over 30-minute video, narrated by actor Woody Harrelson, begins with some biographical truths about the candidate, but veers into promoting various debunked or unsupported narratives about vaccines.
Q&A on Reducing COVID-19 Risk for Elderly, Immunocompromised
While the risks associated with COVID-19 generally have decreased over time due to prior exposure to the vaccines and the virus, some people remain at elevated risk, such as the elderly and immunocompromised. The updated COVID-19 vaccines and, in some cases, a new monoclonal antibody can provide increased protection for this group.
Posts Raise Unfounded Concerns About Aluminum in Vaccines
Small amounts of aluminum have been used for many decades to strengthen the immune response to vaccines. Exposure to high levels of aluminum has been associated with brain and bone problems, but there is no evidence that the level of exposure provided by vaccines leads to such toxicity, contrary to social media claims.