Ontario is reporting 158 new COVID-19 cases and four deaths from the virus.
The numbers are based on 20,527 tests.
The province says 122 people are in intensive care with COVID-related critical illness and 83 patients are on ventilators.
The latest provincial data show 99.5 per cent of all COVID-19 ICU admissions from mid-June to mid-July were in unvaccinated or partially vaccinated people, and nearly 96 per cent of related deaths were in the same group.
Eighty-one per cent of Ontarians have one COVID-19 vaccine dose and 69 per cent are fully vaccinated.
The province says 94,116 COVID-19 vaccine doses were administered on Tuesday, for a total of more than19.2 million shots.
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