222-nm Far-UVC light is an emerging and promising tool for rapidly inactivating airborne pathogens.
This study evaluated the performance of a 222-nm Far-UVC upper-room disinfection system with a 15 W Far-UVC lamp in a full-scale chamber (11.9 m3). One gram-positive bacteria, namely Staphylococcus epidermidis and two gram-negative bacteria, namely Escherichia coli and Salmonella enterica were selected for the experiments.
The results showed that both UV inactivation and ventilation approaches can significantly reduce the infection risk. More importantly, the Far-UVC may be a feasible and sustainable solution for reducing infection risk and improving indoor air quality.
Full article: https://www.sciencedirect.com/science/article/abs/pii/S0360132323002871?via%3Dihub