We use UV lights to sanitize medical equipment already. I’ve heard of some offices implementing some UV solutions for cleaning desks and other office surfaces, but nothing new since. Why aren’t we using it in more places? It seems to me to be a cost effective, chemical free, generally *easy* way to disinfect surfaces and objects.
Some examples I thought of would be inside of a refrigerator. These can be full of germs if not properly and regularly cleaned (which many people don’t do) so why not have a UV bulb in there that turns on for a few seconds after the doors close? Or even a cycle that can be scheduled to run each night?
Another would be under cabinet lights in a kitchen. Kitchen counters can be notorious bacteria breeding grounds (the vast majority of food poising cases come from within your own home after all) so why not have some UV light strips underneath that could annihilate all the bacteria automatically?
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For work I operate Hydrogen Peroxide Vapor Decontamination equipment in hospitals. This system is advantageous due to the fact that it has almost 100% coverage. It can get inside and out, above and below most anything in the room as long as we have set up the room to maximize penetration. This in combination with the fact that it is safe for use with almost all electronics makes it highly effective. Cooling fans on a PC tower will actually draw the vapor inside the tower and sterilize the interior components. In addition, when optimized, HPV has a higher kill rate than UV and is uniform throughout the majority of the space. With UV, you have to worry about shadows, as well as beam degradation. Like any light, the further from the source you get, the weaker the beam concentration. UV seems like a great solution when high degrees of decontamination aren’t required. However, in a medical setting, there is practically zero margin for error when it comes to sterilization.
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