I think it is important to note that we ought to support vaccinations because they are a scientifically viable solution to human well being. Having questions about vaccines is not a problem, because questions are nothing that science cannot answer. We are not zealots, we should welcome these questions, and feel fully obliged to answer them, because that is the rational thing to do
Is Jill Stein anti-vaccine? no, of course not, she is a physician, a graduate from Harvard medical school, and has explained her position on vaccinations
http://www.snopes.com/is-green-party-candidate-jill-stein-anti-vaccine/
Addressing peoples' questions in regards to vaccines is not an issue, or an anti-vaccine approach.. we ought to support vaccines because the information tells us that they are safe and viable for the well being of everyone... but to say we should not even entertain any questions people have about vaccines is not a rational defense of vaccinations, it is a position of zeal