This research looks promising but I imagine that it will be somewhat difficult to explain to some people the logic of giving them herpes in order to treat their skin cancer.
About The Author

BooMan
Martin Longman a contributing editor at the Washington Monthly. He is also the founder of Booman Tribune and Progress Pond. He has a degree in philosophy from Western Michigan University.
the logic of swapping a fatal disease for a merely annoying one sounds OK to me.
Obligatory xkcd link on this kind of topic…
Enemy of my enemy?