While Chris ran with you, or as little as you could due to how weak you felt from the virus in your system, Leon had their back until they were ambushed by Diego Gomez, who had mutated with Glen Arias.

"You're going to be fine I promise, I'm not going to lose you too."

Leon said to you and helped you sit on the ground looking at his watch you still had 10 minutes left so he helped Chris fight Diego and came back to you giving you the antidote