If vaccines are really safe and effective then why haven't there been studies comparing unvaccinated children with vaccinated children? Could it be that they are afraid that such studies would reveal that vaccinated children end up suffering from more illnesses than the unvaccinated children?
Study: Flu Vaccine Causes 5.5 Times More Respiratory Infections – A True Vaccinated vs. Unvaccinated Study
http://healthimpactnews.com/2013/study-flu-vaccine-causes-5-5-times-more-respiratory-infections-a-true-vaccinated-vs-unvaccinated-study/