OTTAWA — With COVID-19 variants of concern continuing to spread across Canada, new national modelling shows that even the current level of public health measures will not be enough to prevent a resurgence of the virus nationwide.
The dire warning comes as part of the Public Health Agency of Canada’s (PHAC) new pandemic projections.
Looking at only non-variant COVID-19 spread, if Canadians maintain their current number of contacts the epidemic will continue to come under control. Factoring in the more contagious variants, the trajectory changes considerably and cases will spike again under Canadians’ current level of precautions and restrictions.
The presentation made by Chief Public Health Officer Dr. Theresa Tam and Deputy Chief Public Health Officer Dr. Howard Njoo notes that, with variants of concern now detected in all provinces with “increasing prevalence and spread,” if Canada wants to keep flattening the pandemic curve, more stringent public health measures and individual precautions are needed.
Based on the current projections, the current pandemic controls may not be enough to fully control the variants. The long-range forecast predicts a “strong resurgence” in March and April in all provinces.
Accordingly, if people let their guards down and if public health measures are lifted the variants are forecasted to send infection rates spiking to levels far past what was seen in either the first or second waves.
This could result in up to 20,000 new daily cases by the spring. Currently the average daily case count is approximately 2,900 new cases a day across the country, which is an improvement from last month when some provinces were reporting nearly that many new infections in a day.
On Thursday, Tam joined Prime Minister Justin Trudeau on the weekly call with the premiers. She was asked Friday if she’s raised her concerns about easing restrictions with her provincial counterparts, as some provinces have already started scaling back on their lockdown measures.
In response, Tam said they are aware that in her view a robust plan to sequence variants and contact trace needs to be in place before restrictions are loosened, and “if you ease anything at all, it better be slow with a lot of surveillance testing.”
The modelling is focused on three variants of concern: the B.1.1.7 variant first identified in U.K. the B.1.351 variant first identified in South Africa, and P.1 the variant first identified in Brazil.
As of Feb. 18, PHAC data indicates that there have been 664 confirmed B.1.1.7 variant cases, 39 B.1.351 variant cases, and one case of the P.1 variant.
The modelling does not explicitly factor in the increasing rates of vaccination in Canada. However, it shows that international experience with these variants have been that while vaccine programs expand, stringent adherence to mask wearing, physical distancing and other precautions have helped control the spread.
“For the next months we’re not going to have a lot of people vaccinated, that’s a fact,” Tam said. “In order for the vaccine to have the best runway it can to take off, you need to make sure those cases are kept low.”
Based on the current pandemic situation, daily case counts, deaths and hospitalizations are currently declining in most of Canada and fewer health regions are reporting high rates of infection across all age groups.
The short-term forecast predicts Canada will see up to 878,850 total cases by Feb. 28 and total deaths could reach up to 22,420 people by the end of the month.
As of when the modelling was issued on Friday morning, there have been a total of nearly 837,500 confirmed COVID-19 cases Canada-wide, and nearly 21,500 deaths.
More details to come.
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