T he arena in which operative and other invasive procedures are performed abounds with risks to patients and personnel. AORN's Guidelines for Perioperative Practice 1 contains more than 30 guidelines that address different types of risks as well as interventions for avoiding harm. As the Guidelines are revised, these interventions reflect newer practices, technologies, research findings, and regulatory requirements, as well as new threats-such as coronavirus disease 2019 (COVID-19)-that enter the health care domain. Newand old-risks are ever-present.