After reviewing both of the studies, relating to the Immunization study and the now infamous Standard Prison study I have concluded that immunization study to represent that most harm, for a number of reasons.
Firstly, and most significantly, the immunizations have the potential to cause more harm being in an open environment. In this case, a public immunization program has limitless potential for harm
Another aspect which is particularly harmful relates to the study in relation to the ethics of the doctors involved.
According to the study (Rao & Andrade, 2011) it was discovered the doctors involved had admittedly failed to disclose parties, whom had a financial interest, which had previously been undisclosed.