Hermione's nerve nearly failed at the sight of Ron, so white his freckles looked blotchy, body shaking as if in a high fever. She forced down the urge to scream and instead carefully moved to stand next to him.
"Ron? It's us, Ron. Hermione and Harry." She swallowed as the shaking grew worse. "Here. We want to help you, you're not alone - "
She took a deep, centering breath and reached up to touch his forehead.