How Independent Are Vaccine Promoters? Dr. Offit Under Scrutiny

Vaccines, from the archive

For years some parents and scientists have raised concerns about vaccine safety, including a possible link to autism and ADD. Many independent experts have sided with government officials and other scientists who say there's no possible connection. But how "independent" are they? CBS News investigative correspondent Sharyl Attkisson shares here's what she found.

Originally published July 9, 2013 on GreenMedTV.