i remember when AIDS first came onto the scene. all the experts trotted out proclaiming that they knew with certainty that AIDS absolutely, positively cannot be spread by ———. then someone would catch AIDS by ———
seemed to be a recurring problem.
Ebola has been around longer then aids. (at least as a named virus)
ebola outbreaks were always small because people died before they could walk out of the jungle. Yet, ebola was always used as the worst case scenerio aside from engineered bioweapons. This is the first outbreak where ebola has managed to get into the cities of a mobile population.