![]() ![]() To stop the spreading of the coronavirus by air must be a major goal of ours. We now have the need and desire to design ways to use filters and ultra violet light and laser treated copper and any other stuff to stop the coronavirus from being in the indoor air at everywhere we are be it home, work, school, store, office, hospital, nursing home, sporting events and everywhere else we live or work in. However being that the coronavirus is rapidly spreading in hospitals and nursing homes it is obvious we have to up our game when we use filters that can stop the coronavirus as well as other viruses and germs. Still, it's clear that "used accurately and responsibly, UVC has enormous potential."īeing that certain filters can catch the coronavirus in the air and stop it from spreading around I would assume that these filters are at this day and age currently installed in all nursing homes and hospitals. But that will require more research, Kohli said. And others are researching another wavelength of UVC called UVC-222 or Far-UVC, which may not damage human cells, she added. There are ongoing conversations in the field about installing UVC units in ceilings to decontaminate circulating air, Kohli said. Scott's group developed a machine that can be used by smaller medical facilities and a software program that helps users factor in the geometry of the disinfection room so that staff can deliver the most effective dose of UVC. Kohli's group advises hospitals and vendors repurposing existing UVC equipment for N95 respirator decontamination. "Having something you think is clean, but it's not, is worse than something that you know is dirty" because it affects your behavior toward that object, he said.īoth Kohli and Scott and their teams are working to make UVC disinfection of personal protective equipment (PPE), such as face masks and N95 respirators, more efficient. ![]() At-home devices don't offer that kind of precision, so using them could offer a false assurance that SARS-CoV-2 has been eliminated when it hasn't, he noted. But that kind of "quality assurance is really hard out in the world, out in the wild," Scott said. ![]() In hospitals, the geometry of the room, shadowing, timing and the type of material or object being disinfected are all accounted for when experts determine the right dosage of UVC needed to kill pathogens. Is the radiation from airport body scanners dangerous? ![]()
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