Thomas's gaze sharpened very obviously when Derek mentioned someone being sick. It was almost like he could feel the Flare eating away at his brain in that single moment. Thomas's throat suddenly felt like sandpaper and his eyes burned.

"Turning someone into a wolf can cure sicknesses?" he asked, unable to help himself. After being told the Safe Haven was the only possible way of curing the Flare, hearing that maybe there was another way nearly knocked the wind out of him. "How?"