[null and void]

they found the girl's immune system had almost totally been replaced by that of the donor, meaning she no longer had to take anti-rejection drugs.

Ummmmmm, Graft Vs Host disease, anyone?

(That's when instead of the patient rejecting the graft, the graft rejects the patient. This is not a good thing!)

[aft_lizard]

The study can be found here at this link, I havent read it yet but it would be interesting to see what intracies are missing from the news article.

http://content.nejm.org/cgi/content/abstract/358/4/369