What is the term used to describe an object that, once contaminated, can act as a vehicle for infection?

The term that describes an object that can act as a vehicle for infection once it has been contaminated is "fomite." A fomite refers specifically to inanimate objects or surfaces, such as doorknobs, utensils, or medical equipment, that can harbor infectious agents and facilitate their transmission from one host to another. These objects do not cause disease by themselves but provide a way for pathogens to spread, especially in healthcare settings where such contamination can pose a risk to patients and staff.

Understanding the significance of fomites is crucial in infection control practices, as thorough cleaning and disinfection of these surfaces can significantly reduce the risk of infection transmission. This highlights the importance of hygiene and sanitation protocols in environments where infections may be a concern.