NRPH reports 10 new cases of COVID-19 on Wednesday.
One was found in a Thorold resident, the figures show.
There are now 81 active infections in total across Niagara.
Four long-term care facilities are dealing with outbreaks, with the latest being declared at Rapelje Lodge in Welland.
At least 68 residents have died after contracting the virus.
The regional historic total number of COVID-19 cases is now 1145.
Provincial update:
The province's public health agency has confirmed 790 new cases of COVID-19, 719 recoveries, and nine deaths in today's epidemiological update.
The nine deaths reported today include five people between 60 and 79 years old, one person between 40 and 59 years old, and three people over the age of 80.
Based on today's report, another 44 people have been hospitalized with the coronavirus, including six people who have been admitted to intensive care units.
Of the 790 new cases reported today, 56 per cent are individuals under the age of 40.
The four provincial hotspots currently under stage two restrictions reported 77 per cent of the new cases included in today's report. Toronto Public Health reported 321 new cases, Peel reported 157 new cases, York reported 76 new cases, and Ottawa reported 57 new cases.
The province confirmed 144 new school-related cases today, including 66 student cases, 13 staff cases, and 65 unidentified cases. There have been 1,569 school-related cases since the beginning of September, and they are spread across 518 schools (10 per cent of the schools in Ontario). There are four schools currently closed because of COVID cases.
There are 19 new COVID-19 cases confirmed in childcare settings, according to the province's report for Oct. 21.
Based on information provided by the province, there are 6,299 active, lab-confirmed cases in Ontario, and 260 of those individuals are hospitalized. There are 71 COVID patients in intensive care units and 49 COVID patients on ventilators.
Since last report, the province indicates public health labs have processed 32,646 COVID tests and there is a current backlog of 29,332 tests awaiting processing. As of yesterday, the per cent positivity rate for the province was 3.6 per cent, meaning 3.6 per cent of people who are tested for COVID-19 test positive.
To date, the province has confirmed 66,686 cases of COVID-19, and has reported 57,325 of those cases as resolved and 3,062 cases ending in death.
The average incidence rate of the coronavirus in Ontario is. 448.6 cases per 100,000 people.
