With great effort, Percy got back to his feet. "We've got to - keep going," he said, "they're not going to get worse in the next hour - " I hope " - and we really can't do anything for them ourselves." He shut his eyes briefly and took a deep, steadying breath. "Come on. We'll - as soon as we run into someone else, you run back here and get them to Madam Pomfrey, alright?"