The study that first suggested a link between vaccines and autism and spurred a long-running, acrimonious debate over the safety of vaccines has been retracted by the British medical journal that published it. The withdrawal supports the scientific evidence that vaccinations don't cause autism, but isn't likely to persuade advocacy groups that believe in a link.

The 1998 study of 12 children triggered worry among British parents that the measles-mumps-rubella vaccine caused autism, and many decided not to immunize their children...