Masks Off, Back in Office: Why Ventilation Becomes More Important

Discovered: Mar 24, 2022. 17:38 Hartford Healthcare quoting an Italian Study in Masks Off, Back in Office: Why Ventilation Becomes More Important via Ducky * Classroom air replaced 2.4 times an hour: 40 percent reduction in infections. * Classroom air replaced 4 times an hour: 66.8 percent reduction in infections. * Classroom air replaced 6 times an hour: 82.5 percent reduction in infections.