Vaccines, Autism, and User Error

A KFF poll released this week found that adults who use AI chatbots weekly for health information are more likely to lean toward the false claim that MMR vaccines cause autism. 35 percent called it probably or definitely true, compared to 20 percent among those who never use AI for health. The Guardian and others read this as evidence that chatbots are spreading disinformation. What it actually reveals is the stubbornness of false beliefs.