The WHO Surgical Safety Checklist keywords:WHO Surgical Safety Checklist, surgical safety, patient safety, operating room protocols, perioperative care, checklist implementation, surgical errors, teamwork in surgery, anesthesia safety, infection prevention, surgical complications The World Health Organization Surgical Safety Checklist establishes protocols designed to prevent the occasional, but recurring errors that have led to harm. The Safety Checklist applies from the time before induction of anesthesia, through just before skin incision and on to the time before the patient leaves the operating room.