November 30 2017- An expert study suggests that hospital washrooms with jet air dryers may be at risk of spreading more germs than those using single-use paper towels.
The study, funded by the European Tissue Symposium, ETS, was carried out over seven days during a three-month period by leading expert Professor Mark Wilcox from the Microbiology department at Leeds Teaching Hospitals NHS Trust and the University of Leeds. The experts examined the number of microbes in the air and on the surfaces in two men’s washrooms in the same hospital: one had paper hand towels to dry hands after hand washing and the other had a jet air dryer. The washrooms were used by hospital staff, patients and visitors.
Professor Wilcox, who led the study, explained “We found the paper towel washroom generally had fewer microorganisms than the washroom with the jet air dryer. The number and variety of bacteria found in the jet air dryer washroom was higher, with the floor and the dryer unit more heavily contaminated. On average the bacteria recovered from the air in the jet air dryer room was 1.6 times higher than in the paper towel washroom.”
In particular the jet air dryer washroom carried higher levels of Enterococcus faecalis bacteria which can spread infection in hospitals and cause sickness in people with underlying health conditions or a weakened immune system.
The study suggests that microbe levels may be higher in hospital washrooms with jet air dryers than in those with paper towels. The findings could be important for hospitals where preventing and limiting the spread of infection is crucial and where patients have a lower resistance to infection.
“The key issue is whether this could expose patients and other washroom users to infection,” explains Professor Wilcox. “We need further research to understand more about the risks of infection spreading as a result of hand-drying methods.”
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Notes to Editors
Key study findings:
A range of previous studies have found that jet air and warm air hand dryers can spread microbes and viruses in a washroom environment.
ETS is the European Tissue Paper Industry Association. The members of ETS represent the majority of tissue paper producers throughout Europe and around 90% of the total European tissue production. ETS was founded in 1971 and is based in Brussels. For more information: www.europeantissue.com