This is not only about surface disinfection. 222nm UV is showing great promise for air disinfection. It’s an alternative to traditional filtration and ventilati

This is not only about surface disinfection. 222nm UV is showing great promise for air disinfection. It’s an alternative to traditional filtration and ventilation. Of course, being a COVID-19 related electronic thing, there are lots of sham products being sold, but the underlying principle seems sound.