In 1998, the paper by Wakefield making the link between the measles, mumps, rubella vaccine and autism has been released. In 2002, we get a BBC special called MMR, every parent's choice. RFK Jr. in 1998 founds this like food allergy initiative thing, which is basically trying to make the link between childhood vaccines and allergies. He also has an episode that I think also contributes to his radicalization.