Solutions to Prevent Cross-Contamination in Hospitals and Healthcare Facilities
Cross-contamination occurs when bacteria, viruses or other infectious agents are transferred from one person to another, or from contaminated areas and items to clean areas. In hospitals and healthcare facilities, this risk can arise at many points throughout patient care, cleaning and textile handling processes.
Therefore, infection control cannot depend on a single piece of equipment or one isolated measure. For healthcare laundry operations, proper facility zoning, controlled workflow and suitable professional laundry equipment are important elements in reducing the risk of transferring contamination from dirty areas to clean areas.
Cross-Contamination Control Starts with Soiled Healthcare Textiles
Healthcare textiles such as bed linen, towels, patient clothing, healthcare uniforms, gowns and other textile items may be contaminated with blood, body fluids or microorganisms.
CDC recommends handling soiled textiles with minimal agitation and containing them at the point of use to reduce the potential spread of infectious agents into the air and surrounding environment. Soiled textiles should be placed in appropriate bags or containers before being transported to the laundry area.
This means that cross-contamination control does not begin when textiles enter the washing machine. It begins when used textiles are collected from patient-care areas.
Separating Dirty and Clean Areas in Healthcare Laundry
A laundry facility serving a hospital should be organized to minimize contact between soiled textiles and processed clean textiles. The receiving and handling area for soiled laundry should be separated from areas where clean textiles are processed, finished and stored.
According to CDC guidance, the area receiving contaminated textiles should be maintained at negative pressure relative to clean areas to help minimize the spread of contaminants from the dirty side to the clean side.
In addition to physical separation, the movement of textiles and personnel should also be carefully organized. Soiled textiles should enter the dirty processing area and then move through washing and finishing stages before reaching the clean area. This controlled workflow helps reduce unnecessary points of contact between dirty and clean operations.
Professional Laundry Equipment as Part of the Solution
In a hospital laundry, equipment selection should not be based solely on washing capacity. Laundry equipment should also support the facility's workflow and textile-handling requirements.
For facilities requiring strict separation between dirty and clean operations, a 2-door medical barrier washer is designed to support this type of workflow. Soiled textiles are loaded into the machine from the dirty side, while processed textiles are unloaded from the clean side after the washing cycle is completed.
This configuration makes the machine part of a controlled one-way workflow and helps minimize the need for processed textiles to return to the dirty receiving area.
Controlling the Washing Process
The effectiveness of healthcare textile processing does not depend on water temperature alone. Time, mechanical action, water quality, load size, soil level and the chemicals used can all affect the washing result.
For hospital laundry operations, wash programs should be configured according to the type of textile and the processing requirements of the healthcare facility. Controlling the parameters of each program helps maintain a consistent process and reduces reliance on manual intervention.
CDC also notes that when hot-water cycles are used, the temperature and cycle duration should meet the requirements of the applicable process. When lower-temperature cycles are used, suitable laundry chemicals should be selected and applied at the proper concentration. Therefore, actual wash programs should be developed based on the equipment, textile type, chemicals and requirements of each facility.
Preventing Recontamination After Washing
One aspect that can easily be overlooked in cross-contamination control is what happens after textiles have been washed.
Processed textiles should continue through drying, finishing, folding, packaging, transportation and storage in a manner that protects them from dust, soil and potential sources of contamination. If clean textiles come into contact with areas or equipment used for soiled laundry, the effectiveness of the previous processing stages may be compromised.
For this reason, carts, storage areas, transportation equipment and clean-textile packaging should also be included in the overall infection-control workflow.
Cross-Contamination Control Requires an Integrated System
Reducing cross-contamination risks in hospitals and healthcare facilities requires control of multiple factors at the same time: proper collection of soiled textiles, safe transportation, separation of dirty and clean areas, appropriate equipment selection, controlled wash programs, equipment maintenance and protection of clean textiles after processing.
Within this system, medical barrier washers and professional industrial laundry equipment are not the only solution, but they are important components that help standardize textile processing and support a controlled workflow from dirty to clean.
For hospitals, specialized healthcare facilities and organizations handling large volumes of medical textiles, the laundry system should be considered as part of the overall facility design. The right solution should not only deliver hygienically clean textiles but also support infection-control objectives, operational safety and long-term efficiency.
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