Literally two days later, she started feeling better and a couple weeks later, when they went to sample the bacteria that was there, they couldn’t find the C. difficile anymore. It was just gone. The only thing they had done was essentially restore her ecology, essentially like restoring a wetland.
— Carl Zimmer wrote about a patient infected with the Clostridium difficile bacteria, which causes severe diarrhea and can frequently return, even when treated with antibiotics. The patient was treated with a transfusion of gut microbials from a healthy individual’s fecal material to restore the bacterial flora in her intestinal tract.