Hygiene is defined as:
'The practice that serves to keep people and environments clean and
prevent infection. It involves the study of preserving one’s health,
preventing the spread of disease, and recognising, evaluating and
controlling health hazards. In the healthcare setting it incorporates the
following key areas: environment and facilities, hand hygiene, catering,
management of laundry, waste and sharps, and equipment.'
Irish Health Services Accreditation Board Hygiene Standards