Faecal microbiota transplantation is a novel treatment that has rapidly earned a major role in the management of recurrent Clostridioides difficile infection because of its clear advantages over antibiotics.7 It is becoming increasingly more widespread and standardised around the world. Last year, an international expert panel, including several authors of this Comment, released recommendations on how to screen faecal microbiota transplant donors, including a medical history and blood and stool examinations.8