In 1976 a Deadly Virus emerged from the Congo forest.
Acclaimed science writer and explorer David Quammen first came nea.
And until we find it, Ebola will continue to strike.
The search is on to find Ebola\'s elusive host animal.
In between these outbreaks, it is untraceable, hiding deep in the jungle.
It can kill up to 90 percent of its victims.
Over the four decades since, Ebola has emerged sporadically, each time to devastating effect.
As swiftly as it came, it disappeared, leaving no trace.
In 1976 a Deadly Virus emerged from the Congo forest