The stool of others is often a great hope for people with severe intestinal infections to get rid of nasty bacteria: The pathogen Clostridium difficile causes inflammation, diarrhea, fever or abdominal cramps. In severe but very rare cases, the intestinal wall can dissolve. A stool transplant - medically correct a fecal microbiota transplant (FMT) - could bring normalcy back into life. That this works has already been shown, at least for patients with recurring infections with the aforementioned Clostridium difficile. But now there has been a setback.