Inside Story - Stopping the world's worst Ebola outbreak?

As the death toll climbs to nearly 900, concerns mount that the epidemic is spreading faster than efforts to contain it. Hazem Sika speaks to Gregory Hartl - chief of public relations, World Health Organisation; Dr. Iza Ciglenecki - emergency program manager, Doctors Without Borders; and Dr Ben Neuman - virologist and professor at the School of Biological Sciences, University of Reading.