Neville listened carefully and nodded his head, trying to take it all in. "I thought it may have been close to chicken pox." But he kept his fear that it was actually closer to Dragon Pox to himself.
Absently he itched at his own fading marks and felt his dread worsen when Millicent's healer said that they weren't really close to finding out how to treat it. That meant very bad things for the population as a whole, and for most of the people he cared about.
"Please, owl me as soon as I can be of any use." He raised his eyebrows and tried to get the point across that he'd like to do everything in his power to help.