The move is based on a recommendation by medical officer of health David Williams and was taken to more aggressively trace who people with COVID-19 have come in contact with and ensure those contacts are in isolation.
The number of cases in the province climbed 16 per cent in one day and now stands at 3,255.
CEO of Public Health Ontario, Peter Donnelly says it's important to let residents know the truth about the outbreak, and take reassurance that many residents have followed the proper measures.
Grand Valley is the first prison in Ontario to report a positive COVID-19 test. Of those, 196 are in an intensive care unit and of those 152 are on ventilators.
In the provincial list of cases 32.8 per cent are 60 years of age or older.
"It will help reduce the burden on our public health units and frontline health workers, allowing them to focus their efforts where they are needed most during this challenging time", Health Minister Christine Elliott said in a statement. Approximately 18 per cent of cases had neither travel nor close contact history, and in 48.4 per cent of the cases exposure information is still under investigation.
After being told to expect results within a matter of two to three days earlier in March, some patients were stuck waiting far longer as Ontario struggled with a backlog of tests.
When it comes to the province's capacity to treat patients in the ICU, public health officials predict up to 3,500 people will need to be in the ICU by April 30.
According to the health unit the employee was at work while infectious.
Public Health Sudbury and Districts said 829 tests have been done, and 649 people have tested negative. Eight more staff have been identified as potential cases of COVID-19, but have not been tested.
Those figures did not include four new deaths at a central Ontario nursing home, the scene of one of the largest outbreaks in the country.
As of 1 pm on April 2, there are 897 cases in Toronto and 11 people have died.
New projections are, with the measures now in place, Ontario is more likely to see between 3,000 and 15,000 deaths.