James lowered his gaze.
"I've given them samples of my blood, DNA, whatever else they could take. I've brought them countless specimens, dead, undead, even a few infected people that had yet to turn. I've applied pressure wherever and whenever I could. I'm a soldier, Erica, not a scientist. There's only so much I can do in pursuit of a cure, and I've done everything that I can do that's of any value to the cause When it comes down to it, this isn't like curing cancer or AIDS. We're talking about bringing people back from the dead here. Science is pretty advanced in our world, but it isn't magic."