He hedges. "I... uh, really I don't know. This would be where Carl would jump into the conversation, normally, but he's not here." He idly pets Beowulf for a moment. "Maybe ask Natalie? Both times I've been hit with the anti-venom, I was already a werewolf - transformation and all. I'm very sorry, Richard. I wish I had more information for you. I know that if it's administered before the last stroke of midnight on the night of your first full moon, it will work."