Ambrose was just vanishing away and appearing near Seras, wondering what it was she wanted. Although the coughing from Tayla caught his attention, and Seras was ordering him to get her to the medic. This had him giving a nod of his head before he was going over and scooping up that of Tayla, and disappearing with her.
"No. Stop. Stay away from me." Atticus spoke and was pushing Azazel away, before he was actually vanishing away from the man. Who would have figured that he would find himself going to where Seras was at, appearing in the room with her. This had her looking up for a brief moment.