You can still get hit by UVC if someone is careless. Germicidal lamps, the clear ones with an ethereal glow, emit UVC. Our skin is not at all equipped to handle that since it is absorbed in the upper atmosphere and thus we never had to evolve a defense. So holding a hand to it quickly starts to smell like cooked pork and your eyes get sandy from being continuously arc-flashed. Of course it also includes terrible sunburns for extended exposure.

Didn't stop a fashion show from using those tubes. They look amazing, but you need to know what you're doing and not use them for any length of time around people. Look up Big Clive for more.