The Christmas Cure wasn't about fixing the body; it was about waking the soul. If you’d like to adapt this further, let me know: Should it be ?
Clara reached for a small, crumpled paper bag on her nightstand. “You have the Christmas Sickness. My grandma says it’s when your heart gets too cold to remember how to beat for other people. You need the cure.” The Christmas Cure
“Why aren’t you home?” Clara asked, her voice a thin paper-cut of a sound. The Christmas Cure wasn't about fixing the body;
By dawn, the power returned. The fever in Room 4 had finally broken. Elias stood by the window, watching the sun rise over a world encased in sparkling, pristine ice. “You have the Christmas Sickness
“I am home,” Elias replied, checking her vitals. “The hospital is where I belong.”
Elias felt the weight of the glass bird in his pocket. He didn’t reach for a flashlight first; he reached for the ornament. As he pulled it out, a stray beam of emergency light hit the glass, fracturing into a hundred tiny rainbows across the darkened hallway.