Dr. Peter Piot co-discovered Ebola in 1976 (and wrote a book about it in 2012 called No Time To Lose: A Life in Pursuit of Deadly Viruses). He just spoke to Christiane Amanpour on CNN about what makes this Ebola outbreak different from all the others before it. Dr. Piot is most surprised the outbreak is happening in capital cities as opposed to more remote areas.

Watch the interview.