The World Health Organization defines the term "sanitation" as follows:

"Sanitation generally refers to the provision of facilities and services for the safe disposal of human urine and feces.

The word 'sanitation' also refers to the maintenance of hygienic conditions, through services such as garbage collection and wastewater disposal

Management of Waste in Hospitals is integral part of hospital hygiene and infection control.  Health care waste is reservoir for pathogenic microorganisms, which can cause contamination and give rise to infections

Infectious waste contributes in this way to the risk of nosocomial infections, putting the health of hospital personnel, and patients, at risk.

Nosocomial infections are also called as  hospital acquired infections. They appear 48 hrs after admission into hospitals or within 30 days after discharge

Common sites of Nosocomial infections are