Then there is the issue of a legitimate unvaccinated control group being evaluated alongside a vaccinated group, both of which would be exposed to the same pathogen as part of an observational analysis.
This type of safety test has never even been conducted, because many deem its construct to be “unethical” based on an illogically circular assumption that the unvaccinated group would be “unprotected” from said pathogen .... http://www.naturalnews.com