COVID-19: Adults 50+ in South Simcoe ‘hot spot’ included in Phase 2 of Ontario vaccine plan “School is really very important for the emotional and physical well-being of children and for support for their families as well, to enable essential workers to be able to go to work.”Gardner said there is a “very limited” amount of COVID-19 transmission in schools, which speaks to the “effectiveness” of current control measures, like screening, masking and cohorting.“We’re not in the same position as Peel or Toronto,” he added.“Our case count, though it’s gone up quite substantially is still significantly less than the provincial rate and much less than the rate in Peel, Toronto, York and other areas in the GTA.