
Clostridioides difficile, commonly known as C. diff, is a challenging infection to clean due to its resilient spores, which can become airborne and settle on various surfaces. Bleach is one of the few household disinfectants effective against C. diff spores. To clean a hospital of C. diff, it is important to follow manufacturer instructions for laundry and cleaning processes, implement diligent environmental hygiene practices, and ensure hand hygiene compliance.
Characteristics and Values of C. diff cleaning in hospitals:
| Characteristics | Values |
|---|---|
| Hand hygiene | Wash hands with soap and water, especially after using the bathroom, before eating, and after handling laundry |
| Environmental hygiene | Clean and disinfect environmental surfaces, medical equipment, and laundry to remove soil and contamination |
| Disinfectants | Use EPA-approved disinfectants or a 1:10 dilution of 5.25% sodium hypochlorite (household) <co: 2,7,8,9,10,11>bleach and water</co: 7> |
| Laundry | Follow manufacturer's instructions for washing machines, dryers, and laundry products; consider residents' individual needs (e.g., allergies) |
| Cleaning schedule | Develop and implement a schedule for cleaning and disinfecting surfaces, equipment, and resident rooms, especially in long-term care facilities |
| High-touch surfaces | Regularly disinfect doorknobs, light switches, bathroom fixtures, bedrails, and tabletops |
| Professional cleaning | Consider specialized cleaning companies with access to industrial-grade disinfectants and experience in C. diff decontamination |
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What You'll Learn
- Hand hygiene: Wash hands with soap and water to prevent the spread of C. diff
- Surface disinfection: Clean and disinfect surfaces with bleach or EPA-approved disinfectant
- Laundry: Follow manufacturer instructions for washing machines, dryers, and laundry products
- Medical equipment: Disinfect equipment and patient environments to prevent transmission
- Vigilance: Regularly check for signs of infection and seek medical advice if symptoms recur

Hand hygiene: Wash hands with soap and water to prevent the spread of C. diff
Hand hygiene is crucial to preventing the spread of C. diff in hospitals. C. diff (Clostridioides difficile) is a germ that causes diarrhoea and colitis (inflammation of the colon), and it can be life-threatening. It is primarily spread through poor hand hygiene or frequently touched surfaces, such as doorknobs, toilet seats, and dirty laundry. As such, hand washing with soap and water is the best way to prevent the spread of C. diff from person to person.
Healthcare workers should pay particular attention to hand hygiene when caring for patients with C. diff. They should wear gloves and aprons when providing care and discard them immediately after use. Hand hygiene must then be performed, and it should be thorough and last for 40-60 seconds. This includes washing with soap and water, especially after using the toilet and before eating. Alcohol-based hand rubs are effective against non-spore forms of C. diff, but soap and water are more effective overall.
In addition to hand hygiene, environmental hygiene is crucial. This includes cleaning and disinfecting environmental surfaces and medical equipment to remove soil and contamination. Hospitals use special cleaning products to kill C. diff, and these products should be used according to the manufacturer's instructions. It is important to clean commonly touched surfaces in bathrooms and patient rooms, working from clean to dirty areas.
To prevent the spread of C. diff, it is also important to clean and disinfect laundry, especially if someone is sick. Gloves should be worn when handling laundry, and hands should always be washed with soap and water after handling laundry, even if gloves were worn. Dry cleaning is an option for clothes that cannot be washed, but it is less effective at killing C. diff spores.
Overall, hand hygiene with soap and water is a critical step in preventing the spread of C. diff in hospitals. It should be complemented by environmental and laundry hygiene measures to ensure comprehensive infection control.
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Surface disinfection: Clean and disinfect surfaces with bleach or EPA-approved disinfectant
C. diff spores can survive on surfaces for several hours to years, and regular cleaning products often fail to eradicate them. The first step in cleaning a hospital room after a C. diff infection is to remove as much contamination as possible using regular cleaning methods. This means thoroughly cleaning all surfaces with a general cleaner to remove dirt and organic material, which can harbour spores. Once the initial cleaning is complete, follow up with a disinfectant treatment.
For surfaces that can tolerate bleach, use a bleach solution to kill any remaining spores. Bleach is one of the few household disinfectants effective against C. diff spores. An EPA-approved disinfectant (EPA: LIST K: EPA’s Registered Antimicrobial Products Effective against Clostridium difficile Spores) or 1:10 dilution of 5.25% sodium hypochlorite (household bleach) and water freshly mixed daily should be used to disinfect the rooms of those residents with symptomatic (e.g., diarrhoea) infection. If there is evidence of ongoing C. difficile transmission, the facility should consider using a bleach solution daily in all resident rooms until transmission has ceased.
For other surfaces that cannot withstand bleach, apply a peroxide-based sterilant. Ensure you cover all potential contaminated areas, including high-touch surfaces like doorknobs, light switches, and bathroom fixtures.
Given the complexity of thoroughly cleaning a hospital room after a C. diff infection, it is often best to call in professionals. Specialized cleaning companies have the knowledge, experience, and access to industrial-grade disinfectants to ensure that the hospital is safe and free of C. diff.
Facility environmental cleaning policies should take into account that studies have shown shedding of C. diff bacteria up to 6 weeks after resolution of diarrhea. The infection prevention professional or other designated person specifically trained to observe and document compliance with facility procedures should, at least every 2–3 weeks, visually observe employees responsible for environmental hygiene. Non-compliance should be immediately addressed.
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Laundry: Follow manufacturer instructions for washing machines, dryers, and laundry products
Clostridioides difficile, commonly known as C. diff, is a challenging bacteria to eliminate due to its resilient nature and ability to become airborne, settling on various surfaces. Bleach is one of the few household disinfectants effective against C. diff spores.
Laundry procedures in hospitals and long-term care facilities must follow the manufacturer's instructions for washing machines, dryers, and laundry products, including detergents, rinse aids, and additives. This ensures the production of hygienically clean laundry and takes into account individual needs, such as allergies.
When dealing with C. diff, it is crucial to use the hottest water setting that is safe for the items being washed. Chlorine bleach can be used if it won't damage the items. Gloves should be worn when handling potentially contaminated laundry, and hands should always be washed with soap and water afterward.
While dry cleaning is an option for clothes worn by C. diff patients, it is less effective at killing spores. Therefore, dry cleaning should only be used for items that cannot be washed in a machine. Hospitals and long-term care facilities should have written policies and procedures for laundry and infection control, including training for staff handling laundry.
To prevent the spread of C. diff, it is essential to clean and disinfect surfaces and laundry, especially in shared spaces. This is particularly important if someone is already sick in the facility, as it can reduce the risk of infection for others. Environmental hygiene, including cleaning surfaces and equipment, is vital to preventing the transmission of C. diff and other infectious agents.
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Medical equipment: Disinfect equipment and patient environments to prevent transmission
C. diff, or Clostridioides difficile, is a challenging infection to clean due to the resilient nature of its spores, which can become airborne and settle on various surfaces. It is important to disinfect medical equipment and patient environments to prevent the transmission of C. diff in hospitals. Here are some detailed instructions for achieving this:
Disinfecting Medical Equipment:
- Follow manufacturer instructions: When disinfecting medical equipment, it is important to refer to the manufacturer's instructions for proper cleaning and disinfection. This includes instructions for medical devices, laundry processing machines, detergents, and additives.
- Use appropriate disinfectants: Choose disinfectants that are effective against C. diff spores. An EPA-approved disinfectant or a 1:10 dilution of 5.25% sodium hypochlorite (household bleach) and water freshly mixed daily are recommended. Bleach solutions and peroxide-based sterilants are effective in killing C. diff spores.
- Develop a cleaning schedule: Create a schedule for regularly cleaning and disinfecting medical equipment, such as medication carts, treatment carts, and other equipment used in patient care. Ensure that the staff handling the equipment are properly trained and follow the cleaning schedule.
- Focus on high-touch surfaces: Pay special attention to frequently touched surfaces on medical equipment, such as knobs, handles, and buttons. These surfaces are more likely to come into contact with hands and can contribute to the spread of C. diff.
Patient Environment Disinfection:
- Isolation and containment: If possible, isolate patients with known C. diff infections to contain the spread. This can include using negative-pressure rooms or implementing strict infection control practices when transferring patients.
- Regular cleaning and disinfection: Develop a comprehensive cleaning and disinfection schedule for patient rooms, especially those with symptomatic infections. Use clean cloths saturated with the appropriate disinfectant solution for each resident's area, working from clean to dirty surfaces. Replace mop bucket solutions regularly.
- Focus on high-touch surfaces: Similar to medical equipment, frequently touched surfaces in patient rooms, such as bedrails, tabletops, doorknobs, and light switches, should be regularly disinfected. These surfaces are often contaminated with C. diff and can contribute to transmission.
- Ventilation and air disinfection: Include air vents and ventilation systems in your cleaning and disinfection schedule. C. diff spores can become airborne, so ensuring proper ventilation and disinfection of the air can help prevent transmission.
- Staff hygiene: Educate and remind staff about the importance of hand hygiene, especially after patient contact and before eating. Ensure that staff members handling linens and laundry and patient care follow proper hygiene practices and wear appropriate personal protective equipment (PPE).
By following these instructions and maintaining diligent cleaning and disinfection practices, hospitals can effectively prevent the transmission of C. diff and protect both patients and healthcare workers.
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Vigilance: Regularly check for signs of infection and seek medical advice if symptoms recur
Vigilance is key to preventing the spread of C. diff infections. This involves regular checks for signs of infection and seeking medical advice if symptoms recur.
C. diff, or Clostridioides difficile, is a challenging bacteria to eliminate due to its resilient spores. These spores can survive on surfaces for weeks and are so small that they cannot be seen by the human eye. As a result, it is crucial to remain vigilant and proactive in preventing its spread.
In a healthcare setting, it is imperative to have stringent policies and procedures in place for environmental cleaning and disinfection. This includes regularly observing and documenting compliance with facility procedures, with non-compliance addressed immediately. A schedule should be developed and implemented for cleaning and disinfecting all areas, from patient rooms to waiting areas and storage spaces.
For individuals, vigilance means being aware of the signs and symptoms of C. diff infection, which can include persistent diarrhea and abdominal pain. If you or a loved one has been infected, it is crucial to maintain strict hygiene standards, including frequent handwashing with soap and water, especially after using the bathroom and before eating. It is also essential to regularly disinfect high-touch surfaces, such as doorknobs, light switches, and bathroom fixtures.
If symptoms of C. diff recur, it is important to seek medical advice promptly to prevent the further spread of infection. This may involve consulting with a healthcare professional about the appropriate treatment options and taking antibiotics only when necessary.
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Frequently asked questions
Hospitals should follow manufacturer instructions for laundry and cleaning equipment, as well as for clothing, linens, and other laundry items. They should also implement a schedule for cleaning and disinfecting the hospital environment, including beds, furniture, storage closets, air vents, supply storage cabinets, offices, waiting areas, carpets, medication carts, and other equipment. Disinfectants should be EPA-approved or a diluted bleach solution.
Encourage frequent handwashing with soap and water, especially after using the bathroom and before eating. Regularly disinfect high-touch surfaces such as bedrails, tabletops, and doorknobs. Ensure that anyone infected follows proper hygiene practices.
Hospitals should develop and implement schedules for cleaning and disinfecting. They should also assign responsibility and accountability for environmental hygiene to each department manager, supervisor, and employee. An infection prevention professional should visually observe employees responsible for environmental hygiene at least every 2–3 weeks.









































