From an early age, you would have been taught to wash your hands after going to the toilet. This simple act was to prevent infecting yourself via the faecal-oral route.
As a healthcare worker, you have a responsibility not only to protect yourself from infection, but all the patients in your care. You need to know of other ways that infection can spread - by ingestion, droplets, air-borne, blood, other bodily fluids and direct contact.
Direct contact by the hands of healthcare workers is a major cause of Healthcare Associated Infection (HAI)