Dean and Sam now lead ordinary lives. Dean works in the corporate world at the Sandover Bridge & Iron Company along with Sam who works as a Tech Support.
The publicist also says, rather cagily, that in the meantime Fans and viewers can rest assured that this surprise is going to be something unexpected that the fans/viewers are going to LOVE!
The reason he was infected is because of a SECRET he's keeping. A dark secret that will be revealed in Episode 10. And not at all because of any dickishness, implied oder otherwise."