Introduction. Nosocomial infections are associated with daily functioning of a hospital and constitute one of major medical issues. The role and duty of the nurse is to prevent hospital infections in every hospitalized patient, especially in post-stroke patients. Only nursing staff that is educated and aware of their actions is able to minimize the risk of infection and thus reduce the suffering of the patient.Aim. The purpose of the paper was to assess, quantitatively, nurses’ knowledge about nosocomial infections and the procedures used most often in post-stroke patients.Material and Methods. The research was conducted in a group of 80 nurses working in randomly selected stroke and neurological units in the territory of Silesia province. ...