title: Reply to Jia.
authors.affiliation: Medical Center for Digestive Diseases, the Second Affiliated Hospital of Nanjing Medical University, Nanjing, China.
authors.forename: Faming
authors.initials: F
authors.lastname: Zhang
authors.affiliation: Department of Integrative Health Sciences, Maryland University of Integrative Health, Laurel, Maryland, USA.
authors.forename: Heming
authors.initials: H
authors.lastname: Zhu
mesh_terms: D016360:Clostridioides difficile; D003113:Colonoscopy; D004761:Enterocolitis, Pseudomembranous / Q000628:therapy*; D005243:Feces / Q000382:microbiology*; D005260:Female; D006801:Humans; D008297:Male