Cindy, do you know if a pathogen has been isolated yet, perhaps something in a fungal family?
I don't know, but I (a wife, mother, housewife, non-scholar, non-expert) I do believe that this will turn out to be a real disease.
I like to follow these 2 links for updates:
http://www.freerepublic.com/focus/keyword?k=Morgellons
http://news.google.com/news?hl=en&ned=us&q=Morgellons&btnG=Search+News