It was good that there was at least some effect, although Adah had to admit being a little surprised at just how quietly the girl took the shots, as she smoothly injected the next. Usually, an abundance of quiet was a sign of other problems; Adah imagined that she was probably such a quiet child that she wondered if Nathan and Orleanna ever thought she'd actually finally bit it like the doctors predicted.

"That's right," Adah answered as she worked. "A month. Three months is the current optimal time to receive that particular vaccine."