Not that it is important, but google shows it both ways.
Not important in the difference at all. That's just how I remember hearing it first referenced.
Although I must admit that I really don't mind the name change as it better reflects the disease thoughout the world, however we should not forget how it spread to other countries (including ours).
Speaking epidemialogically, a quicker killing form of AIDS is really less dangerous to society. By killing its host quicker there is less chance of the infection spreading. Not a pleasant thought, but a scientifically accurate one.