Inside the first human trial of a Bundibugyo Ebola vaccine

<p>Oxford researchers have begun the first-in-human trial of a vaccine against Bundibugyo Ebola virus. In this episode, Paul Adepoju speaks with Katrina Pollock, chief investigator of the trial at the Oxford Vaccine Group, about how the study is being run, what Phase 1 can and cannot tell us, the challenge of proving protection during an active outbreak, and what needs to happen before a vaccine can move into wider use.</p>