Dr. Andrew Wakefield has been deregistered in the UK, the medical equivalent of being disbarred, in part for the spurious and manipulated research paper he published in 1998 claiming that the MMR vaccine was linked to autism.
The decade-plus long vacctivist scare that followed resulted in vaccination rates dropping significantly in the UK, which is followed by a spike in measles cases. Though I'm sure Wakefield's supporters will claim these two things are just a coincidence.
MMR doc struck from register [bbc via dt reader dt]