HIV-AIDS did not come from oral polio vaccine.

• Position: Health Beat - Brief Article

HIV-AIDS did not come from oral polio vaccine contaminated with chimpanzee virus, reports a research team led by Michael Worobey, an assistant professor of ecology and evolutionary biology at the University of Arizona in Tucson. Although scientists agree that HIV comes from a chimpanzee simian immunodeficiency virus (SIV) that infected humans, when and how SIV jumped the species barrier has not been definitively determined. The...