'The Origin of AIDS' (2004) Full Documentary

                                       http://youtu.be/LZs1V8mpcoY

In 1958, the Cincinnati Children's Hospital's Dr. Albert Sabin analyzed a vaccine of Hillary Koprowski, director of the Wistar Institute vaccine, and found it be be "unstable and contaminated by an unknown virus." He told Koprowski about his discovery and went then went public with his findings.

Could the development of a polio vaccine have inadvertently led to the dissemination of HIV into the world?