“…In recent years, endowashers have become more and more popular as a useful tool and are nowadays used for a broad range of indications. However, the increasing use of endowashers could make them critical for nosocomial transmission or cross infection [1], but in nine recommendations published by professional societies and official bodies they are not specifically mentioned – including those by the APIC (Association for Professionals in Infection Control and Epidemiology, USA) [2], FDA (Food and Drug Administration, USA) [3], RKI (Robert Koch Institute, Germany) [4], [5], ESGE (European Society of Gastrointestinal Endoscopy) [6], [7], SHEA (Society for Healthcare Epidemiology of America) [8], BSG (British Society of Gastroenterology) [9], Austrian guidelines (Arbeitsgruppe Krankenhaushygiene Wien und Magistratsabteilung 15 der Stadt Wien) [10], SGNA Guidelines (Society of Gastroenterology Nurses and Associates, USA) [11], and ASGE (American Society for Gastrointestinal Endoscopy, USA) [12]. …”