As I have observed, these skills have no limit on affected players and they are passed on to enemies in the area. But what I want to warn you, is that the "infection" has a big chance of being with "bug" along with the "Fateful connection", because I have seen them in great battles with a power that they didn't have before and players receiving damage from " hit kill "I think she 4/4 is out of the ordinary, both skills and that's why I come to ask you to check it out!