> Someone, somewhere, talks to every single one of the people involved knowing full well what might happen.
I've known people who were involved in HIV vaccine studies, both as participants and as investigators. Everybody involved understands that side of the risk assessment ("this might not work, and you might get a placebo") from the very beginning, but the threat of HIV/AIDs is grave enough that people in the at-risk populations are happy to be involved.
I've known people who were involved in HIV vaccine studies, both as participants and as investigators. Everybody involved understands that side of the risk assessment ("this might not work, and you might get a placebo") from the very beginning, but the threat of HIV/AIDs is grave enough that people in the at-risk populations are happy to be involved.