Researchers have found that continuous low doses of "far ultraviolet C" (far-UVC) light can kill airborne flu viruses without harming human tissues.
"If our results are confirmed in other settings, it follows that the use of overhead low-level far-UVC light in public locations would be a safe and efficient method for limiting the transmission and spread of airborne-mediated microbial diseases" said the lead author of the study David J.
This study, published in the journal Scientific Reports, was designed to test if "far-UVC" light could efficiently kill aerosolised influenza virus in the air, in a setting similar to a public space, the researchers said.
"The 'far-UVC' light has a very limited range and cannot penetrate through the outer dead-cell layer of human skin or the tear layer in the eye, so it's not a human health hazard," Brenner said.
"But because viruses and bacteria are much smaller than human cells, far-UVC light can reach their DNA and kill them," Brenner noted.
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