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  Airborne-mediated microbial diseases such as influenza and tuberculosis represent major public health challenges. A direct approach to prevent airborne transmission is inactivation of airborne pathogens, and the airborne antimicrobial potential of UVC ultraviolet light has long been established; however, its widespread use in public settings is limited because conventional UVC light sources are both carcinogenic and cataractogenic. By contrast, the studies have previously shown that far-UVC light (207–222 nm) efficiently inactivates bacteria without harm to exposed mammalian skin. This is because, due to its strong absorbance in biological materials, far-UVC light cannot penetrate even the outer (non living) layers of human...

If your security camera working great at day time but keep having that foggy image at night, this article might help you!  The dome day/night security cameras have build very strong IR LED for better and further night image quality. However, it will led to foggy night image caused by IR reflection.  All the dome security camera with strong IR light might have the same issue. So we suggest to avoid install your camera close to siding or other object that might cause the reflection and try different angles as we showed in the picture.  Below is the IR reflection/installation comparison...