Why Floors Are Receiving More Attention in Infection Prevention Programs
For decades, infection prevention efforts in healthcare have focused on disinfecting high-touch surfaces—bed rails, call buttons, overbed tables, IV pumps, and door handles. These surfaces remain critical because they are touched frequently by patients, visitors, and healthcare workers.
However, as research into environmental contamination has advanced, healthcare leaders are recognizing that preventing healthcare-associated infections (HAIs) requires looking beyond what people touch.
Today, infection prevention programs are increasingly focused on understanding how microorganisms move throughout the care environment.
While floors have traditionally been classified as low-touch surfaces, growing evidence suggests they can serve as important reservoirs for microorganisms that are transferred indirectly through equipment wheels, footwear, mobile devices, and healthcare workers' hands.
The conversation has evolved from "What should we disinfect?" to "How do we interrupt the movement of pathogens throughout the patient environment?"
The Hidden Pathway of Cross-Contamination
Cross-contamination rarely occurs through a single event.
Instead, microorganisms often travel through a series of seemingly harmless interactions that create a chain of transmission.
Cross-contamination is often a process—not a moment.
Understanding how microorganisms move through healthcare environments allows Environmental Services (EVS) teams to design cleaning programs that interrupt these pathways before contamination spreads.
High-Touch vs. High-Risk Surfaces
Environmental cleaning programs have traditionally prioritized surfaces based on how often they are touched.
The Centers for Disease Control and Prevention (CDC) continues to recommend increased cleaning frequency for high-touch surfaces, recognizing their role in pathogen transmission. At the same time, the CDC recommends cleaning floors routinely and promptly addressing visible contamination, particularly in high-risk patient care areas.
But frequency of touch does not always equal frequency of contamination.
Research has shown that hospital floors are commonly contaminated with healthcare-associated pathogens including:
- Clostridioides difficile (C. difficile)
- Methicillin-resistant Staphylococcus aureus (MRSA)
- Vancomycin-resistant Enterococcus (VRE)
- Acinetobacter baumannii
A landmark review by Rutala and Weber noted that while floors are rarely touched directly by patients, objects that contact contaminated floors—including medical equipment, supplies, and footwear—can transfer microorganisms to hands and higher-touch surfaces, creating indirect opportunities for pathogen spread.
Traditional High-Touch Surfaces vs. Emerging High-Risk Surfaces
|
Traditional High Touch Surfaces |
Emerging High-Risk Surfaces |
|
Bed rails |
Patient room floors |
|
Call buttons |
Equipment wheels |
|
Door handles |
Cart casters |
|
Overbed tables |
Privacy curtain hems |
|
IV pump controls |
Cleaning tools and mop heads |
|
Light switches |
Mobile workstations |
Rather than replacing traditional cleaning priorities, today's infection prevention programs are expanding their focus to include contamination pathways throughout the care environment.
What the Research Says About Hospital Floors
Over the last decade, researchers have published a growing body of evidence suggesting that hospital floors deserve greater attention within environmental cleaning programs.
A review published in the American Journal of Infection Control (AJIC) concluded that hospital floors frequently become contaminated with multidrug-resistant organisms and that items contacting the floor can subsequently contaminate hands and high-touch surfaces.
Similarly, a systematic review in the Journal of Hospital Infection found that healthcare floors may contribute to indirect pathogen transmission through mobile equipment, footwear, and reusable patient care items.
Importantly, researchers are careful to distinguish between contamination and infection.
Current evidence does not suggest that floors are a primary source of healthcare-associated infections. Rather, the literature increasingly supports the idea that floors function as an environmental reservoir capable of contributing to broader contamination pathways if cleaning processes are not carefully designed.
As infection prevention expert Dr. William Rutala has noted:
"Floors should no longer be viewed simply as low-touch surfaces. Their role as reservoirs for pathogen dissemination deserves greater attention within healthcare environmental hygiene programs."
This evolving perspective is influencing how healthcare facilities evaluate environmental cleaning strategies.
Cleaning Process Design Matters
Products alone cannot prevent cross-contamination. The design of the cleaning process itself plays an equally important role.
The CDC identifies several core elements of an effective environmental cleaning program, including:
- Standardized cleaning procedures
- Appropriate product selection
- Staff education and competency
- Routine monitoring
- Performance feedback
- Continuous quality improvement
When cleaning practices vary between employees, shifts, or departments, opportunities for cross-contamination increase.
Healthcare organizations are increasingly implementing standardized practices such as:
- Cleaning from cleaner areas toward dirtier areas
- Working from high surfaces to low surfaces
- Using a fresh mop pad for each patient room
- Replacing cleaning materials when visibly soiled
- Following consistent room cleaning sequences
- Standardizing products across departments
These process improvements reduce variability while making training easier for new employees.
Why Standardization Supports Infection Prevention
Healthcare staffing shortages have reinforced the importance of cleaning consistency.
Standardized cleaning systems help ensure every patient room is cleaned using the same evidence-based process regardless of who performs the work.
At Contec Professional, we've observed a shift in how healthcare organizations evaluate environmental cleaning programs.
Facilities are increasingly asking:
- How can we reduce opportunities for cross-contamination?
- How can we simplify employee training?
- How can we improve cleaning consistency across every shift?
- How can we make it easier for staff to follow best practices?
The answer is often found not in adding more complexity—but in simplifying workflows through standardized cleaning systems.
Technology Is Helping EVS Teams Reduce Risk
Modern infection prevention programs increasingly combine standardized workflows with technologies that improve cleaning consistency and verification.
Examples include:
- Disposable microfiber cleaning systems
- ATP monitoring
- Fluorescent marker auditing
- Digital cleaning documentation
- Data-driven quality improvement programs
- Evidence-based room cleaning protocols
These tools help EVS teams verify performance, improve training, and identify opportunities for continuous improvement.
Technology doesn't replace skilled Environmental Services professionals—it supports them.
Questions Every EVS Leader Should Be Asking
As healthcare organizations continue strengthening infection prevention programs, consider these questions:
✔ Are our floor cleaning protocols standardized across every shift?
✔ Are we evaluating contamination pathways—not just high-touch surfaces?
✔ Do our cleaning tools minimize opportunities for cross-contamination?
✔ Are equipment wheels included in our environmental cleaning program?
✔ How do we verify cleaning consistency?
✔ Are our staff receiving competency-based training?
✔ Have we simplified our cleaning processes to improve compliance?
These questions can help identify opportunities to strengthen both environmental cleaning and patient safety.
These tools help EVS teams verify performance, improve training, and identify opportunities for continuous improvement.
Key Takeaways
1. Pathogens Move Through the Environment in Unexpected Ways
Floors, equipment wheels, footwear, and mobile devices can contribute to environmental contamination pathways, making cleaning process design just as important as surface disinfection.
2. Standardized Cleaning Reduces Cross-Contamination Risk
Evidence-based workflows, disposable cleaning systems, and competency-based staff training help reduce variability and improve cleaning consistency across every shift.
3. Modern Infection Prevention Looks Beyond High-Touch Surfaces
Today's healthcare organizations are expanding environmental cleaning strategies to address contamination pathways throughout the patient environment—not just the surfaces that are touched most often.
Frequently Asked Questions
Can hospital floors spread bacteria?
Hospital floors frequently become contaminated with microorganisms. While they are considered low-touch surfaces, research has shown that objects contacting contaminated floors can transfer pathogens to hands and higher-touch surfaces, contributing to environmental contamination.
Are hospital floors considered high-touch surfaces?
No. The CDC classifies floors as low-touch surfaces. However, they should still be cleaned routinely and promptly when visibly soiled, particularly in high-risk patient care areas.
Why are equipment wheels becoming a focus of infection prevention?
Equipment wheels regularly contact hospital floors and move between patient rooms, making them a potential pathway for transferring environmental contamination if they are not included in cleaning protocols.
What is the best way to reduce cross-contamination?
Healthcare facilities can reduce cross-contamination by implementing standardized cleaning processes, using appropriate cleaning tools, following evidence-based protocols, providing competency-based training, and routinely monitoring cleaning performance.
References
- Centers for Disease Control and Prevention (CDC). Environmental Cleaning Procedures. https://www.cdc.gov/healthcare-associated-infections/hcp/cleaning-global/procedures.html
- Centers for Disease Control and Prevention (CDC). Guidelines for Environmental Infection Control in Health-Care Facilities. https://www.cdc.gov/infection-control/hcp/environmental-control/
- Rutala WA, Weber DJ. Surface Disinfection: Should We Do It? American Journal of Infection Control. https://www.ajicjournal.org/
- Deshpande A, et al. Are Hospital Floors an Underappreciated Reservoir for Pathogen Transmission? American Journal of Infection Control.
- Journal of Hospital Infection. The Role of Environmental Surfaces in Healthcare-Associated Infections. https://www.journalofhospitalinfection.com/
- Association for Professionals in Infection Control and Epidemiology (APIC). Guide to Preventing Healthcare-Associated Infections. https://apic.org