Ontario’s COVID-19 science table says while indicators suggest the Omicron wave has plateaued or is in decline, the easing of public health measures will likely be followed by an increase in cases of the virus.
In new modelling released Tuesday, the group says it is challenging to project the spread of the virus due to changes in testing in the province. However, the table says that an increase in cases, hospitalizations and ICU admissions is likely as things reopen.
“The size of any resurgence is difficult to predict and will depend on vaccination, the spread of Omicron, and changes in behaviour (e.g., mobility, masking),” the modelling notes.
You can read the full presentation at the bottom of this story.
The modelling shows a wide range of scenarios for hospital admissions after many businesses and facilities were allowed to reopen this week with capacity limits.
The scenarios depend partly on how many people in the community have immunity from recent Omicron infections — a challenging number to determine given limits the province has placed on access to PCR testing, the group says.
Projections for intensive care unit occupancy also show a range of possibilities, but while Omicron may send a smaller proportion of people to hospital than Delta, the pressure on ICUs is expected to be prolonged. Data from Ontario’s COVID-19 wastewater measurements suggests that cases peaked around Jan. 11, and that there may have been between 1.5 million and four million infections since Dec. 1, according to the table.
Dr. Peter Jüni, scientific director of Ontario’s COVID-19 Science Advisory Table, said Monday that many of the province’s key indicators, including test positivity rate, wastewater surveillance and hospital occupancy, are heading in the right direction.
WATCH | Omicron wave subsiding in Ontario but pandemic trajectory not clear, scientific director says:
Coronavirus numbers appear to have peaked and are dropping in Ontario, but the trajectory for the pandemic is not clear, says Dr. Peter Jüni, director of the province’s COVID-19 science advisory table 8:31
Alexandra Hilkene, spokesperson for Health Minister Christine Elliott, said the new modelling confirms that public health measures introduced early January helped control the spread.
“While we know that the coming weeks will continue to be difficult for our hospital partners, hospitalizations are currently stable and given current trends, we are confident in our ability to ensure capacity so that patients can access the care they need,” Hilkene said in a statement Tuesday.
“Ontario is currently trending between the projected best and moderate-case scenario for hospitalizations and we have sufficient capacity to meet such demand. Similarly, the province has sufficient ICU capacity to respond to any scenario outlined in the modelling.”
WATCH | Health Minister Christine Elliott says province is slowly resuming surgeries that were pushed back:
Ontario Health Minister Christine Elliott says the peak of Omicron has passed and the province now has the hospital capacity to deal with COVID-19 patients and resume surgeries and procedures that were postponed by the pandemic. 2:06
At a news conference following the modelling release, Elliott said the province is gradually resuming surgeries and procedures postponed as a result of the surge in Omicron cases now that hospital capacity is slowly opening.
“We feel that we are ready for whatever will happen as we move forward,” Elliott told reporters Tuesday.
Ontario began easing public health measures Monday as part of a plan to roll back restrictions imposed amid soaring cases of the Omicron variant.
63 more COVID-19 deaths reported Tuesday
Ontario reported 3,091 COVID-19 hospitalizations on Tuesday and 63 more deaths linked to the illness.
About 56 per cent of those patients were admitted for COVID-related illnesses while 44 per cent were already in hospital when they tested positive for the virus, according to the province.
There were 568 patients with COVID-19 who required intensive care, down from 608 at the same time last week.
Roughly 84 per cent of the people with COVID-19 in ICUs were admitted for reasons directly related to the virus.
The health ministry also reported another 63 deaths of people with the virus, bringing the official toll to 11,504.
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