C-diff spores are everywhere in our environment; and you are as likely to pick this up as a community acquired infection, as you are in a medical setting. You can carry the spores in your body for a long time before they colonize and become an active infection; all of us probably carry c-diff spores in our body and don't know it, because the spores have not colonized into an active infection. Again, you DO NOT get rid of c-diff. You treat an active infection with the hopes of killing off the active spores in the intestines at that time. Once you test negative, the spores left in your body are dormant, but will colonize again at some point to form an active infection again. The biggest trigger of c-diff spores is an antibiotic that disturbs the natural flora of the intestine which then sends the spores into growing and colonizing into an active infection.