Cordon sanitaire is a French term that refers to an area or a zone established to prevent the spread of infectious diseases. It's a commonly used term in the medical and public health fields. However, there are several synonyms for the term, including quarantine, isolation, quarantine zone, exclusion zone, buffer zone, and security zone. Each of these terms has a slightly different connotation, but all are used to indicate a space or area set aside for containing and isolating potentially contagious individuals or groups. Regardless of the chosen term, the goal is the same: to protect public health and prevent the spread of disease.