Cross-contamination occurs when bacteria and viruses are transferred from one surface to another. The abundance of high-touch surfaces and objects in public restrooms make it easy for patrons and even cleaning professionals to inadvertently move illness-causing pathogens from one surface to another. For example, when a woman’s purse is placed on a restroom floor and then placed on a sink counter, the germs and bacteria on the floor can be transferred to the purse and then to the sink. One study even found that 20 percent of handbags contained more germs than the average toilet flush and could potentially cross-contaminate other surfaces.

While the potential for germ transmission and cross-contamination in restrooms is high, it may not always be top of mind for cleaning professionals, who often face conflicting priorities when it comes to restroom maintenance. This article outlines some tips for helping facility managers and cleaning professionals manage cross-contamination concerns in their facilities, especially during the winter months.

Making Sure Public Health Doesn’t Get Lost in Translation

Consumer perceptions of restroom cleanliness can have a serious impact on a business’ bottom line, but it’s always important to remember—and to stress to employees—that restroom cleanliness serves a critical public health function: preventing the spread of bacteria, viruses, and fungi that cause infection.

Cleaning issues typically associated with restroom appearance such as visible stains, soiled surfaces and odors can signal the presence of harmful microorganisms. Influenza (flu) and norovirus germs are commonly found in restrooms and are associated with outbreaks of illness. With flu season in full swing, cleaning to stop the spread of infections is especially important now, as the flu virus and other illness-causing germs can survive on surfaces for extended periods of time and can spread when people touch infected surfaces and then touch their eyes, mouth, or nose.

A recent survey of cleaning industry professionals conducted by the Clorox Professional Products Co. in partnership with ISSA, the worldwide cleaning industry association, found that most cleaning professionals (85 percent) are fully aware of the importance of cleaning for appearance and health and the majority (95 percent) believe that restroom cleaning has an impact on overall public health. However, only half of respondents (49 percent) believe that their staff is aware of all the risks associated with the spread of germs in the restroom. In fact, most survey respondents (68 percent) say their staff does not understand or only somewhat understands the differences between cleaning, sanitizing, and disinfecting. These distinctions are important and are as follows:

• Cleaning removes germs, dirt, and impurities from surfaces or objects. Cleaning works by using soap (or detergent) and water to physically remove germs from surfaces, but does not necessarily kill them.
• Sanitizing lowers the number of germs on surfaces or objects to a safe level as judged by public health standards or requirements to lower the risk of spreading infection.
• Disinfecting kills germs on surfaces or objects using chemicals. The process does not necessarily clean dirty surfaces or remove germs, but killing germs on a surface after cleaning can further lower the risk of spreading infections.

Staff members should understand the role they play in preventing the spread of infection. Further, frontline cleaning professionals need the right products and appropriate training for the job.

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