Hospital cleaning is a critical part of infection control, ensuring the environment is free from harmful pathogens that can cause healthcare-associated infections (HAIs). The cleaning process in hospitals is highly regulated and uses specific protocols to minimize the risk of cross-contamination.

Here’s a breakdown of how cleaning is done in a hospital…

Preparation and Safety Protocols

Before cleaning begins, hospital cleaning staff must follow strict preparation and safety protocols to ensure both their protection and the safety of patients.

• Personal Protective Equipment (PPE) – Cleaners wear appropriate PPE, including gloves, gowns, masks, and sometimes face shields or goggles to prevent contact with potentially harmful pathogens.
• Gathering Cleaning Supplies – Hospital cleaning staff prepare all necessary cleaning agents, including disinfectants, mops, buckets, wipes, and scrubbers. Disinfectants used in hospitals are often hospital-grade and EPA-approved for killing specific pathogens like C. diff, MRSA, or norovirus.
• Pre-Cleaning – Any debris, trash, or personal items are removed from the area before the cleaning process begins.

High-Touch Surfaces and Disinfection

Hospital cleaning focuses heavily on high-touch surfaces, where pathogens are most likely to spread. This includes areas like doorknobs, light switches, bedrails, and medical equipment.

• Cleaning First – Surfaces are cleaned to remove visible dirt, dust, and organic matter that could interfere with the effectiveness of disinfectants.
• Disinfecting – Once cleaned, surfaces are treated with hospital-grade disinfectants to kill harmful bacteria, viruses, and fungi. The disinfectant must remain on surfaces for a specified contact time (often 5–10 minutes) to be effective.
• Common Disinfectants – Common disinfectants used in hospitals include chlorine-based disinfectants (bleach), hydrogen peroxide-based cleaners, quaternary ammonium compounds (quats), and peracetic acid. Each disinfectant targets different pathogens, so cleaning protocols often specify which disinfectant to use for different areas.

Cleaning Patient Rooms and Critical Areas

Patient rooms, especially those occupied by immunocompromised individuals or those with contagious diseases, require thorough and careful cleaning.

• Room Turnover Cleaning – When a patient is discharged or transferred, a deep cleaning (known as terminal cleaning) is performed. This includes all surfaces in the room, such as walls, floors, beds, and medical equipment.
• Special Attention to Isolation Rooms – In isolation rooms (used for patients with contagious diseases), cleaners follow enhanced protocols, often using dedicated cleaning tools for these rooms to avoid cross-contamination.
• Beds and Bedrails – Bedrails, mattresses, and bedding are cleaned and disinfected, with bedding changed and laundered. Sometimes, disposable bed covers are used to minimize infection risk.

Cleaning Bathrooms and High-Risk Areas

Bathrooms and other high-risk areas like operating rooms, emergency rooms, and intensive care units (ICUs) require a more intensive cleaning process.

• Bathrooms – Hospital bathrooms are cleaned frequently, especially in patient rooms. High-touch surfaces like toilet handles, sink faucets, and light switches are disinfected.
• Floors – Floors in hospitals are typically cleaned with disinfecting mops and buckets containing the appropriate cleaning solution. For areas with high foot traffic or in isolation units, floors may be disinfected more frequently.
• Operating Rooms – Operating rooms are cleaned using terminal cleaning procedures after every surgery. Special mop heads, disinfectant sprays, and antiseptic wipes are used to ensure every surface is sterile.

Waste Disposal

Proper waste disposal is critical to ensure that contaminated items don’t pose a risk to other patients or staff.

• Medical Waste – Waste like used gloves, syringes, bandages, and sharps are disposed of in biohazard bags or sharps containers and sent to be safely incinerated or disposed of in regulated medical waste facilities.
• General Trash – Non-contaminated trash is handled in standard trash bags but still follows hospital protocols for cleanliness and hygiene.

Floor Cleaning and Maintenance

Floor cleaning in hospitals is more involved than in other environments due to the need for both cleaning and disinfection.

• Daily Floor Cleaning – Floors in patient areas and corridors are cleaned regularly to remove dirt, spills, and stains.
• Deep Cleaning – Deep floor cleaning may include scrubbing machines or steam cleaning for high-risk areas to remove stubborn dirt and disinfect at the same time.
• Specialized Equipment – For certain types of floors (e.g., vinyl, carpet, or tiled areas), hospitals may use specialized equipment like auto-scrubbers or wet vacuums.

Use of Automated Cleaning Technologies

In some hospitals, automated cleaning technologies are also used to enhance cleaning and disinfecting processes.

• UV-C Disinfection – Some hospitals use ultraviolet (UV-C) light devices to kill bacteria and viruses in rooms and on surfaces. UV-C light can penetrate and destroy the DNA or RNA of pathogens, rendering them inactive.
• Electrostatic Sprayers – These sprayers apply disinfectants in the form of a fine mist that clings to surfaces, allowing for better coverage and more efficient disinfecting, especially in high-risk areas.

Final Inspection and Quality Control

After cleaning is completed, the area is usually inspected to ensure it meets the hospital’s cleanliness and infection control standards.

• Quality Control – Hospital cleaning teams may have supervisors or infection control officers inspect rooms, bathrooms, and high-risk areas to confirm proper cleaning and disinfection.
• Feedback Loop – If an area is not up to standard, cleaning staff are asked to re-clean it until it meets the necessary protocols.

Summary of Hospital Cleaning Process

• Preparation – Gathering supplies, using PPE, and removing debris.
• High-Touch Surfaces – Cleaning and disinfecting high-risk areas (e.g., doorknobs, bedrails).
• Patient Rooms – Thorough cleaning and disinfection, especially in isolation or after discharge.
• Bathrooms and High-Risk Areas – Intensive cleaning and disinfection in bathrooms, ORs, and ICUs.
• Waste Disposal – Safe disposal of medical and general waste.
• Floor Cleaning – Regular cleaning and deep cleaning of hospital floors.
• Automated Technologies – Use of UV-C lights, electrostatic sprayers, or other tools to enhance disinfecting.
• Inspection – Final quality control checks to ensure cleanliness standards are met.

Hospital cleaning is systematic, frequent, and thorough, designed to keep spaces as sterile as possible and prevent the spread of infection. The use of disinfectants, PPE, and strict protocols helps maintain a safe environment for both patients and healthcare workers.