The ebola epidemic has killed more than eight thousand people in the region, but health officials say the worst-case scenario has been avoided. 

According to the latest information from the World Health Organization, cases are clearly falling in the three worst affected countries— Guinea, Liberia, and Sierra Leone— but experts caution that the fight isn't over.

John Service, Ebola response coordinator for Catholic Relief Services, joined Take Two for an update on the effort to bring the number of new cases down to zero.