http://thinkprogress.org/immigration/2015/02/03/3618647/mo-brooks-measles-immigrants/
"But researchers have traced recent outbreaks to the persistent — and completely misguided — belief that vaccines are harmful to children. In fact, the vast majority of new cases of measles are found in children whose parents had “philosophical” objections to the measles, mumps, and rubella (MMR) vaccine."
