Three deaths were also reported.
Ontario reported 218 new COVID-19 cases on Thursday, marking its highest daily count in over three weeks.
According to Christine Elliott, minister of health, 38 cases were reported in Toronto, 38 in Peel Region, 25 in Hamilton, 19 in the Region of Waterloo and 13 in Grey Bruce.
According to the Ontario government, numbers haven't been this high since July 6, when the province reported 244 new COVID-19 cases.
Three new deaths were also reported on Thursday, bringing the total number of deaths across the province to 9,328.
Since February 2020, a total of 549,952 cases of COVID-19 have been reported in the province.
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