He injected cells in his spinel cord in the 8 millimeter gap and they hoped that it would open a pathway for darek's spine to get less parelized

This is how Ebola transfers from animals to humans, the human were inhaling the air also where the animals were exhaling air then it all spreads around the air, then you will start to breath the same air, then you start to get the deadliest virus called Ebola. :(