nosocomial infection

nosocomial infection
an infection whose development is favoured by a hospital environment. It may develop in a hospitalized patient without having been present or incubating at the time of admission, or it may be acquired in hospital but only appears after discharge. Such infections include fungal and opportunist bacterial infections. They are aggravated by factors favouring the spread of organisms (cross-contamination) and by reduced resistance of individual patients, as well as by antibiotic-resistant strains of bacteria (see MRSA). The term also includes infections developing among hospital staff.

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an infection not present or incubating prior to admittance to a hospital, but occurring a few days after admittance; the term is usually used to refer to patient disease, but hospital personnel may also acquire nosocomial infection. Cf. iatrogenic i.

Medical dictionary. 2011.

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