From CBCNEWS: 

Don’t poo-poo technique: Fecal transplant can cure superbug, doctors say

A controversial new treatment, which involves the transplantation of human waste, can treat cases of C. difficile infection. But only a handful of physicians in Canada undertake the messy procedure.

Clostridium difficile is a superbug that commonly spreads in hospital settings and has been linked to the deaths of at least 2,000 people in Quebec since 2003, as well as in other provinces.

Though C. difficile can be kept in check by good bacteria in the bowel, problems can arise when the superbug is treated by antibiotics such as vancomycin. The antibiotics sometimes wipe out the good bacteria but fail to completely kill the C. difficile — leaving enough of it that it later flourishes.

(more here)