The rise of the internet since the 1990s has played a significant role in the persistence and spread of the anti-vaccination movement. The vast and unregulated nature of online platforms allows misinformation to be easily shared, magnified, and presented as credible. This constant bombardment of online content makes it challenging for parents to navigate the enormous volume of information and separate scientifically sound research from unfounded claims, thereby fueling the continued concern over debunked links like the one between vaccines and autism.