Air purification technologies to combat SARS-CoV-2 The onset of the COVID-19 pandemic had people sharing an array of strategies for disinfection and disease prevention. The ensuing months showed that the SARS-CoV-2 virus is primarily spread through the air via contaminated droplets, prompting a new wave of air purifying technology. A feature article in Chemical & Engineering News, the weekly newsmagazine of the American Chemical Society, details the various air purifier technologies and their efficacy against the coronavirus. Although official guidance from the U.S. Centers for Disease Contr...