Texas school district is first to use the world’s only biodefense indoor air protection system™ to “catch and kill” airborne coronavirus https://www.prnewswire.com/news-releases/texas-school-district-is-first-to-use-the-worlds-only-biodefense-indoor-air-protection-system-to-catch-and-kill-airborne-coronavirus-301115179.html?tc=eml_cleartime
