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.
SciCheck
FactCheck.org’s SciCheck feature focuses exclusively on false and misleading scientific claims that are made by partisans to influence public policy. It was launched in January 2015 with a grant from the Stanton Foundation. The foundation was founded by the late Frank Stanton, president of CBS for 25 years, from 1946 to 1971.
As Trump Taps RFK Jr. for Health Secretary, a Look Back at Kennedy’s Claims
Trump Embraces RFK Jr.’s Views on Vaccines, Fluoride
Harris vs. Trump on Climate Change
Florida’s 2024-2025 COVID-19 Vaccine Guidance Misunderstands, Distorts Existing Science
An abundance of evidence indicates the mRNA COVID-19 vaccines are remarkably safe and work well to protect against severe disease. But last month, the state of Florida issued updated vaccine guidance advising “against the use” of the shots entirely — even for people who are older and at higher risk of severe disease. Experts say the advice is ill-informed and “illogical.”
Q&A on the 2024-2025 COVID-19 Vaccines
Baseless Claims Proliferate on Hurricanes and Weather Modification
Experts say people cannot create or meaningfully alter hurricanes through existing weather modification techniques. That has not stopped a deluge of social media posts baselessly claiming or implying that Hurricanes Helene and Milton were intentionally created, steered or otherwise controlled by someone.
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.
Q&A on the Second International Mpox Emergency
Case numbers for the global mpox outbreak have decreased since 2022, but the situation in Africa has noticeably worsened. On Aug. 14, the World Health Organization once again declared an mpox public health emergency of international concern. Here, we answer questions about the current increase in mpox cases, the international public health emergency and what this means for people in Africa and globally.