Whatever the effect was that was changing people, it had started with Jon, and extended to Jon's family...then to Gretchen Wilson, their neighbor.
Whatever the effect was, it had limited capacity. The moment it moved away from Linda and Mikey, their changes slowed.
Gretchen sped up her pace entering the school building. Not far away, Erika Weber blinked. The hall around her suddenly looked completely unfamiliar. She came here every day, yet she suddenly couldn't remember the layout of the school. She looked down. Her clothes had changed too!