She nodded her head, looking thoughtful as she looked for a viable vein to take the blood she needed out of.One exposure could start something, but the chances were slimmer than if she'd always been exposed to it. Either way, Ellie knew it was possible she wouldn't know for many years if it caused anything. For her sake, she hoped nothing would pop up at all.

"This will pinch a little," she warned, and then tried her best to slide the needle in smoothly, starting the process of taking some blood out of her.