Medi-Immune, a UK firm, recently revealed ProtectivAir, a breathing device that uses UVc light to sterilize inhaled air and protect wearers against airborne pathogens, potentially including SARS-CoV-2 (COVID-19). The device is meant to be used by healthcare staff and others with occupational exposure to airborne pathogens. ProtectivAir consists of a nose and mouth mask that connects, via a flexible hose, to a small irradiation chamber worn on a belt or harness. The irradiation chamber uses UVc photons to disinfect inhaled…
