Simple, low-cost ultraviolet (UV) technology could help reduce respiratory infections in aged care homes, according to world-first research led by Flinders Health and Medical Research Institute (FHMRI) and SAHMRI.
The study, published in JAMA Internal Medicine, trialled the use of germicidal ultraviolet (GUV) appliances in four South Australian aged care homes. The results showed a 12.2% reduction in respiratory infections among residents—highlighting the potential of UV-C light to improve infection control without disrupting daily routines.
Lead researcher Dr Andrew Shoubridge said the GUV units, which are already used in hospitals and laboratories, can be easily mounted on walls, ceilings, or integrated into ventilation systems. “They are simple to install, cost-effective, and complement existing infection control strategies,” he said.
The trial was conducted over two years in communal areas of aged care facilities in both metropolitan and regional South Australia, including Helping Hand’s Lightsview and Golden Grove homes, Eldercare’s Allambi home, and Barmera Health Service.
“While results varied across shorter time frames, the longer-term data showed a consistent drop in infection rates to about 0.3 fewer cases per week.”
Dr Andrew Shoubridge
Senior author Professor Geraint Rogers, who led the adaptation of the technology for aged care, said the findings come at a crucial time as providers seek new ways to protect residents from viruses like COVID-19. “It’s hard to see a reason not to install these appliances in aged care settings,” he said. “They’re safe, effective, and minimally invasive.”
With over 250,000 Australians living in aged care, experts believe GUV technology could play a vital role in pandemic preparedness and long-term infection reduction across the broader health and aged care sectors.
