Having encountered this rumor from a college student, I thought we might address here.
Rather than argue the point, I will refer readers to Snopes.com. They are certainly non-partisan when it comes to de-bunking or proving internet “truths” such as this one.
Snopes gives it a “False”. They even went so far as to contact Dr. Stein via Twitter and Jill answered with this: “As a medical doctor of course I support vaccinations. I have a problem with the FDA being controlled by drug companies.”
Here is the Snopes like so you can read it yourself: Jill Stein on Vaccines