First, full disclosure. I am a partner in one of the companies I will list in answer to this question.
There are two places to obtain helminthic therapy.
The first, the pioneer, and the one I am not associated with is Ovamed
http://www.ovamed.org. They sell doses of Trichuris Suis Ova (TSO = pig whipworm eggs) to those with a medical recommendation.
The second, the one I am involved with, is Autoimmune Therapies
http://autoimmunetherapies.com.
I will leave it with that. If the admin does not want to put this post up because it is a commercial post, although it has to be to answer the question asked, can you please send these links to the person who asked the original question?
thanks,
Jasper