News Ontario adds 2,578 new COVID-19 cases SHARE ON: Casey Kenny, staff Monday, Jan. 18th, 2021 (Supplied by Pixabay) Ontario is reporting 2,578 new COVID-19 cases. Sixty-seven per cent of Monday’s cases are in the hotspots around the GTHA and Niagara. Over 40,300 tests were completed but there’s still a backlog of 18,481. Twenty-four more people have died bringing the death toll to 5,433. Test positivity, the percentage of tests coming back positive, is at 6.6 per cent.