More than 30 patients with COVID-19 are being treated in local hospitals.
Niagara Health has had 366 positive tests at its sites, including 35 deaths.
Two outbreaks of the virus were declared over the weekend at the Greater Niagara General Hospital in Niagara Falls.
Public Health says there are 518 cases in Niagara, including 45 deaths.
Over 93 per cent of the deaths have been at long-term care and retirement homes.
Man Charged After Police Stand-off
It started in a Welland parking lot, ending with arrest at State Street house
Man Charged in St. Catharines Murders
Police working to determine actions of the accused in days leading up to murders, asking for public assistance
Mandatory Alcohol Screening Coming: OPP
For every traffic stop, for speeding, distracted driving, anything
2 People Dead in St. Catharines Homicide
Police have one person in custody, after they were called to a house this morning
NRP Active in Solving Smithville Murder
Police understand community concern to find who is responsible
Man Dies in Welland House Fire
Emergency crews called to the David Street area, waiting for autopsy results
Welland Signs Deal for More Housing
It's a $35-million deal for LIV Communities to build up to 4,000 units, along canal
Drug Charges Laid After Police Chase
Toronto man arrested after caught in St. Catharines