Air Purifiers in Classrooms for Infection Control - a Pilot Study

The devices will be turned on every working day except Tuesdays. Air purifiers will be set at levels perceived as acceptable by both teachers and students during operational hours.

The devices will be turned on every working day except Tuesdays. Air purifiers will be set at levels perceived as acceptable by both teachers and students during operational hours.

The Ceiling-Mounted and Portable devices will alternate weekly between being activated and deactivated in the three classrooms. Each classroom will also have three weeks with no purifier activated.This alternating pattern aims to assess the impact of the various air purifiers on air quality. Air purifiers will be set at levels perceived as acceptable by both teachers and students during operational hours.