Definitions for "Nosocomial infection"
An infection originating in a medical facility, e.g., occurring in a patient in a hospital or other health care facility in whom the infection was not present or incubating at the time of admission. Includes infections acquired in the hospital but appearing after discharge; it also includes such infections among staff. Synonym: hospital-acquired infection.
A new infection acquired during a person's treatment in a hospital. An example could be a person who enters a hospital for a blood transfusion or organ transplant and inadvertently acquires an infection.
An infection that is acquired during hospitalization but that was neither present nor incubating at the time of hospital admission, unless it is related to a prior hospitalization, and that may become clinically manifest after discharge from the hospital.