The people who 'find the cure' are pretty bloody obviously not the same people who are 'stopping the spread'.
It needs to be contained, as a priority, not only to prevent more deaths, because of the far reaching implications to the whole of the countries concerned. It's not about containing it before it wipes out the world, but before it causes more unnecessay death and suffering.
CNN had interviews with some of the older orphans, it was heartbreaking. I'm not often moved to tears by the news, but that really got to me :(