Algoma Public Health's reporting all 21 of its reported cases are considered "resolved", though it is still awaiting results from 534 tests.
It last confirmed a case more than a week ago.
Public Health Sudbury and Districts has already reported all 64 of its confirmed cases are considered "resolved" - including 2 deaths - though it's still investigating 702 cases.
Its last reported case was more than two weeks ago.
The Porcupine Health Unit says only 1 of its 65 reported cases is still "active", with no new cases since May 10th, though it's still investigating 141 other cases.
It has reported seven deaths linked to COVID-19.