Handwashing in Hospitals: A Striking Neglect
It’s a little disheartening, to say the least. Recent research indicates that a notable number of individuals aren’t washing their hands in hospitals—yes, even there. This study, conducted by scientists from the University of Surrey in England, utilized sensors placed near toilet and sink pipes to monitor handwashing habits. Surprisingly, nearly half of those who used the toilets didn’t bother to wash their hands afterward. The researchers suggest that we need more effective reminders about the significance of hand hygiene, especially in high-risk places like hospitals.
Previous investigations into handwashing practices have had their limitations. Some relied on people to self-report their habits, which might encourage a bit of dishonesty. Unlike those approaches, this study took a more objective route. By connecting sensors to pipes, the researchers could unobtrusively and accurately determine when sinks were being used. These sensors detect temperature changes, indicating water flow, which reflects handwashing activity.
Collaborating with Bispebjerg Hospital in Denmark, the researchers, in a project named “FLUSH. WASH. PROTECT.”, monitored handwashing behavior over 19 weeks in two public restrooms within the hospital. They recorded over 2,600 toilet flushes and found that nearly 44% of the time, individuals didn’t wash their hands afterward. At some points, this figure exceeded 60%, particularly during early morning, late evening, and around meal times. The team’s findings were shared recently via the Open Source Framework.
“People might think that handwashing has become second nature—especially post-COVID—but our data indicates otherwise,” acknowledged lead author Pablo Pereira-Doel, a co-leader at the Human Insight Lab within the University of Surrey’s Business School.
The implications of low handwashing rates are significant. They can inadvertently enable the spread of dangerous infections, particularly among vulnerable groups who might already be at risk, including those affected by drug-resistant superbugs. While some studies have proposed that clear signage can lead to a modest increase in handwashing compliance, the findings suggest that much more robust measures are necessary to enhance hygiene persistently.
“These results are concerning but not entirely unexpected. Even something as straightforward as handwashing can be neglected without consistent reinforcement. The consequences in hospitals could be severe, both for patients and the healthcare system at large. We must go beyond posters and hand gel stations to adopt more effective behavioral strategies,” stated Carrie Newlands, Lead for Clinical Skills at the University of Surrey’s School of Medicine.
In the meantime, it might be wise to rethink those traditional handshakes. If anyone needs a refresher, there’s always the proper handwashing technique recommended by the Centers for Disease Control and Prevention.





