Board Thread:WARNING ALL USERS False Info\Spoilers/@comment-69.125.32.234-20140204062759/@comment-11770267-20140205024921

I think that the whole "Claudia was also possessed" thing is a red herring. Judging by Melissa's reaction to reading the file, I'm gonna guess there was something we didn't see, some hereditary disease that she's also afraid Stiles has, (unaware that he's actually possessed by Void).