A New Ebola Vaccine Has Profound Global Implications

<p>There is a new ebola vaccine. And it works spectacularly well. A recent paper in the Lancet demonstrated of the 7,600 people in Guinea who received the vaccine, not one person contracted the virus. This 100% effectiveness rate is unheard of. </p>   Dr. Jeremy Farrar is on the line to discuss the implications of this vaccine for the fight against ebola.  He is a professor of tropical medicine and director of the Welcome Trust, a philanthropy that supports medical research. We discuss how the vaccine trial was conducted, how the results can be analyzed and what an effective vaccine might mean for...