Posted October 8th, 2020 by Phill Snel Prof. Jeffrey Siegel | Current school cohorting practices are ineffective and leave itinerant teachers at increased risk, say experts October 7, 2020 | Rabble Posted in Faculty, In the News | Tags: classroom, COVID-19, indoor air, indoor air quality, Jeff Siegel, Jeffrey Siegel, Ontario back to school plan, teachers unions, virus transmission
