you were walking through the city as you were trying to look for some supplies. You noticed there was a couple of black tar on some buildings but at least it proves that there's going to be less afflicted monsters around... You continue to move and suddenly you got shot at. The bullet ended up hitting the car wreckage behind you and you heard growling.

It was a man who seemed to be suffering with black affliction leaking out of his mouth and eyes... You could tell that he was infected by the tar. He started roaring before he started shooting more bullets at you but you quickly went to cover. You are afraid that the shots might attract other unwanted attention.