“We” = the US or possibly the world.
I offer no conclusions but offer this as interesting information.
Here’s some info:
Graph of Ebola cases. The graph shows the bad patterns.
You have to look twice to realize that the really bad period, exponential growth, was really short lived.
If was followed by rather significant linear growth, which then broke in Nov ’14 in Liberia and Jan ’15 in Sierra Leone.
Graphic showing US (military) action at a glance, here.