"I was working on one of those protection pendants," George said thoughtfully. "Then got one of the ones they were selling later, from that kiosk, but I think they were crap. Well, I was wearing it when I got infected, so I assume they were.
"And I'd thought about offering to work with whoever's doing up their potions. Cho Chang, I'd guess; she works in the Apothecary at the hospital. But hell, half my potions come out crap now. Not sure how much help I'd be, y'know?"