"Oh, Dr. Birkin. Always been such a spit-fire. Very spirited. We never would have guessed you would have gone so far as to inject the virus into yourself as means to protect it. A very motherly reaction. Not something even Dr. Marcus did, in all his paranoia. But of course, you would know his last moments better than I. You were there, after all, as I recall?"
He smiled, knowing very well that, regardless of the dark, Birkin's eyes had adjusted well enough to allow him to see the expression the man wore.
"What we need, doctor, is that wonderful mind you have. I trust the virus hasn't laid it to waste?"