Claim: Vaccines cause autism in children

The claim that vaccines cause autism in children is false. Mainstream scientific organizations, including the CDC and various health institutions, consistently state that there is no causal link between vaccines and autism. Numerous studies have been conducted, confirming this conclusion. However, some alternative sources suggest ongoing concerns about vaccine safety and autism, but these claims are not supported by robust scientific evidence. The original study that sparked this controversy has been retracted due to serious ethical violations and methodological flaws. The models diverge sharply — treat this as higher-uncertainty. Gemini comes in highest (95%), while Perplexity is lowest (2%). While the CDC acknowledges that the issue of vaccines and autism is an ongoing area of study, it does not support the claim that vaccines cause autism. The CDC emphasizes that existing reviews have found no evidence to support this claim, although they remain open to further research. This perspective does not change the overall verdict, as the overwhelming consensus in the scientific community is that vaccines do not cause autism, and the original claims have been discredited. The ongoing studies mentioned are more about understanding vaccine safety in general rather than establishing a link to autism.