. "Any process that results in a change in state or activity of a cell or an organism (in terms of movement, secretion, enzyme production, gene expression, etc.) as a result of a UV-C radiation stimulus. UV-C radiation (UV-C light) spans the wavelengths 100 to 290 nm." . . "response to UV-C" . "response to germicidal ultraviolet light stimulus" . "response to germicidal ultraviolet radiation stimulus" . "response to shortwave ultraviolet light stimulus" . "response to shortwave ultraviolet radiation stimulus" . "response to UV-C light stimulus" . "response to UV-C radiation stimulus" . "response to UVC light stimulus" . "response to UVC radiation stimulus" . . . .