Ontario is reporting 417 new COVID-19 cases and three additional deaths on Thursday.
Health Minister Christine Elliott says there are 271 cases in individuals who have not been fully vaccinated or who have unknown immunization status and 146 in fully vaccinated individuals.
There are now 254 people in the ICU due to COVID-19 complications, 223 have not been fully vaccinated or have unknown immunization status and 31 have been fully vaccinated.
There are 158 people in ICU due to COVID-19 complications and 101 of them are on ventilator.
The province is reporting another 126 school-related cases among students and staff. As of Wednesday, 14.3 percent of schools in the province have at least one COVID-19 case and five schools are closed because of the outbreak.
The number of active cases has declined by 114 as 528 more cases are believed to be cured.
The new case count comes as Ontario plans to loosen more COVID-19 restrictions, including capacity limits for restaurants and gyms.