C. difficile

High-Touch Surfaces: Targeting the Hotspots for Hospital-Acquired Infections

Gaétan Lanthier

Touchpoints of Risk: Where Germs Linger Most

In hospital environments, surfaces touched frequently—called high-touch surfaces—are critical hotspots for the transmission of hospital-acquired infections (HAIs). Door handles, bed rails, light switches, call buttons, and medical equipment surfaces can act as reservoirs for pathogens like MRSA, C. difficile, and VRE. These microbes can survive for hours or even days on these surfaces, enabling indirect transmission from patient to patient via hands or instruments.

Routine Is Not Enough: Strategic Disinfection Matters

Traditional cleaning alone is not sufficient to eliminate the risk. A structured cleaning and disinfection protocol tailored to risk zones is essential. This means categorizing areas by infection risk (e.g., ICU vs. office) and adjusting cleaning frequency and method accordingly. Electrostatic sprayers, ready-to-use disinfectants with short contact times, and color-coded tools can increase efficiency and safety.

The Role of Staff and Training

The housekeeping team plays a central role in infection control. Effective interventions depend on their knowledge of cross-contamination, adherence to hand hygiene, and use of personal protective equipment (PPE). Ongoing training—such as the 630-hour provincial AEP program in Québec—equips staff with the skills needed to recognize high-risk areas and apply disinfectants appropriately.

End-to-End Protocols for Safer Care

Combining daily cleaning of high-touch surfaces with regular audits, proper dilution practices, and visual management tools (like color-coded charts) ensures compliance and reduces infection risks. Technological solutions like Sanitek or real-time tracking can support quality assurance efforts.

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Broad-Spectrum Disinfectants: Choosing the Right Tool for the Pathogen

Gaétan Lanthier

Effective Against a Wide Range of Pathogens

Broad-spectrum disinfectants play a critical role in healthcare environments. Their main advantage? The ability to combat a wide variety of microorganisms, including gram-positive and gram-negative bacteria, both enveloped and non-enveloped viruses, and certain fungi. In hospitals, where immunocompromised patients are frequent and infection risks are high, this wide coverage is essential to reduce cross-contamination and healthcare-associated infections.

When to Use Them?

These disinfectants are particularly important in high-risk zones such as intensive care units, operating rooms, or isolation areas. Surfaces that are frequently touched—like bed rails, door handles, monitors, and call buttons—must be disinfected consistently with products that offer rapid action and residual effectiveness. Broad-spectrum disinfectants are also the go-to solution in outbreak situations, where targeted disinfectants may fall short against diverse threats such as C. difficile, norovirus, or MRSA.

What to Consider?

Despite their effectiveness, broad-spectrum disinfectants are not always risk-free. Some formulations can be more toxic or require longer contact times. It’s essential to select products based not only on their antimicrobial claims, but also on surface compatibility, staff workflows, and safety considerations. Proper training in application methods and dwell times is crucial for effective infection control and for protecting the health of healthcare staff.

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Outbreak Management: Enhancing Disinfection During Infectious Surges

Gaétan Lanthier

When an infectious outbreak strikes a healthcare facility, time is of the essence. Environmental services teams become the frontline defense against the spread. A fast, coordinated, and protocol-driven response helps protect patients, staff, and the care environment.

Rapid Response with Structured Priorities

During an outbreak, prioritizing tasks is essential. First, high-risk areas—such as infected patient rooms, washrooms, and treatment zones—must be identified. Then, these areas require increased cleaning frequencies and tailored disinfection methods depending on the pathogen involved.

Choosing the Right Disinfectants and PPE

Selecting the right disinfectant is critical. It must be broad-spectrum, Health Canada–approved, and effective against the specific microorganism. Hydrogen peroxide–based solutions or quaternary ammonium compounds are often recommended in healthcare settings. At the same time, proper use of personal protective equipment (PPE)—including gloves, masks, and gowns—is essential to prevent cross-contamination.

Training and Coordinating the Workforce

Ongoing training ensures staff can respond effectively under pressure. Pre-established outbreak response plans provide structure and reduce errors. Coordination with infection prevention teams centralizes decision-making and enhances the efficiency of interventions.

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Disinfection vs. Cleaning: Why the Distinction Matters in Hospitals

Gaétan Lanthier

In healthcare environments, the distinction between cleaning and disinfection is often misunderstood — yet it’s crucial for preventing healthcare-associated infections (HAIs). Though these processes are complementary, they serve very different purposes and must follow a strict sequence to be effective.

Cleaning: Removing Visible Soils

Cleaning refers to the removal of visible dirt, dust, organic matter, and debris from surfaces. It is a necessary first step, as the presence of residues can impede the effectiveness of disinfectants. In hospital settings, cleaning is typically done using detergents or neutral cleaners, targeting high-touch surfaces such as bed rails, tray tables, and medical equipment.

Disinfection: Destroying Microorganisms

Disinfection, on the other hand, involves applying chemical agents to eliminate pathogenic microorganisms such as bacteria and viruses on inert surfaces. For disinfection to be effective, surfaces must be pre-cleaned. Disinfectants must also be used according to their spectrum of activity, required contact time, and concentration levels.

A Logical Sequence: Clean First, Then Disinfect

Best practices in hospitals call for a two-step process: cleaning first, followed by disinfection. For example, during patient discharge or transfer, a terminal disinfection is performed only after all surfaces in the room have been meticulously cleaned. This sequence is critical for breaking the chain of transmission of pathogens such as C. difficile or MRSA.

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Featured Product: Ali-Flex RTU Hospital-Grade Disinfectant, ready-to-use for high-risk surfaces.