An Estonian tech company has launched a wearable air purifier that uses ultraviolet light to kill viruses and bacteria in the air about to...
...An Estonian tech company has launched a wearable air purifier that uses ultraviolet light to kill viruses and bacteria in the air about to be inhaled by its wearer https://t.co/ABhvCLE1n7 pic.twitter.com/OiqNfm8tCt
— Reuters (@Reuters) February 23, 2021
