Ontario reports 478 new coronavirus cases, largest 1-day jump since early May Out of the 29 cases, 11 involved people aged 11 to 19 while eight others involved people aged 20-29.No cases were connected to anyone under the age of 10 or over the age of 70.The region’s four testing centres continue to be worked into overdrive as they have now conducted 85,365 tests, which is 3,699 more than Friday’s update.There are now 142 active cases in the region which is the most since June 4, when there were 165 active cases.[ Sign up for our Health IQ newsletter for the latest coronavirus updates ]A new outbreak has been reported at the Village at Winston Park retirement home in Kitchener after a staff member tested positive.