You can always tell someone that is forcing a vaccination or an opinion that vaccinations in the past have proved more harmful than good. From Natural News:
Drug companies and health authorities don’t want you to know the true history of vaccines, but with thanks to the website VaccinationDebate.com, we’ve listed a collection of some rather shocking historical facts about vaccines that you need to know:
http://www.naturalnews.com/026940_vaccines_vaccination_health.html
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