"Good news," she says, lifting a hand and wiggling her fingers at him. "I'm medical. Now, how about you don't assume I'm gonna go about this in the dumbest way possible. We won't assume they're good for this and then spring it on them in the moment, we'll talk to them about it - here and now, before any emergencies happen. If I'm wrong, and if John Doe the all-powerful shapeshifter who doesn't even have to have a body if he doesn't want to says that he'd somehow be susceptible to an infection, then we'll regroup and try something else."

A pause.

"You're not a pathogen. You're infected by a pathogen. And to get you to Zero - which is a good idea - we're going to need that immune person with takedown skills."