Ottawa Public Health is confirming 82 new cases of COVID-19 in the city, as well as new outbreaks at Montfort Hospital and St. Vincent Hospital.
The new cases make up nearly a quarter of the 409 reported across Ontario on Thursday.
OPH says two staff members and one patient in Montfort Hospital's 3C wing, and two patients at St. Vincent's 5 North, tested positive for COVID-19 on Wednesday, September 23.
Those facilities are two of 29 Ottawa institutions listed by OPH as dealing with outbreaks of the novel coronavirus.
Wednesday's 82 new cases are the second most ever reported in a single day. The highest came ealier this week, with 93.
Active cases are up to 587 in Ottawa, according to OPH. There are 14 residents in hospital with COVID-19 -- three in intensive care.
No new deaths are being reported, which keeps the local pandemic death toll at 280.
Overall, there have been 3,919 lab-confirmed cases of COVID-19 in Ottawa since March, with 3,052 resolved.