UVC light is used to kill coronavirus, SARS-CoV-2.

Study found that UVC light reduced the live coronavirus by 99.7 percent in 30 seconds.

The type of UVC light used in this study is called far-UVC light, which has the wavelengths of 254 nanometers.

Far-UVC light is damaging to germs but is less of a hazard to human skin and eyes than other types of UVC light.