Is the current Ebola outbreak the "Big One"?

In the article, The Ebola Outbreak: 'A Dress Rehearsal For The Next Big One'. National Public radio interviews author David Quammen about his book, Spillover, which discusses many zoonotic diseases such as Ebola.

One of the major questions asked is, "Do you think this Ebola outbreak is the next 'big one'?". It is definitely worth a read and a listen as the audio transcript is included in the article.

Link to article: http://www.npr.org/blogs/goatsandsoda/2014/08/05/338059797/the-ebola-outbreak-a-dress-rehearsal-for-the-next-big-one