Which COVID-19 variants will drive the next surge of infections? Will hospitals have the extra capacity? What are their options for treatment? And other key questions answered
COVID-19 is now in some ways less threatening to Canadians than ever. Widespread vaccination, prior infections and the introduction of new updated vaccines mean many Canadians have greater immunity against the disease than in previous years. New variants are better able to evade certain parts of the immune response, but they also appear to cause less severe infections.
. Meanwhile, 18,478 COVID-19 cases were reported across the country for the week of Sept. 25 to Oct. 1, up from a slight and short-lived dip in early September. These numbers, however, almost certainly under-estimate the true counts.makes it difficult to get a clear picture of what the COVID-19 situation is like now, never mind what the rest of the fall and winter may hold, said Noel Gibney, a professor emeritus in the department of critical care medicine at the University of Alberta.
In particular, Dr. Otto said she is keeping an eye on the Omicron subvariants BA.2.75.2 and BA.4.6, which could increase in prevalence in the coming months.of COVID-19 test samples sequenced in Canada the week of Sept. 11.“I don’t think Omicron is the pinnacle of adaptation of SARS-CoV-2 in humans and we may see quite different variants arise,” Dr. Otto said.
Because protection from the vaccines declines over time, and since a growing body of data suggests they can reduce the risk of long COVID, Dr. Blakney recommends that people keep up with their next eligible dose, especially now that other public-health measures have been lifted. “It’s more important than ever to actually get these vaccines because that’s what’s been shown to work. We’re still in a pandemic,” she said.Even though vaccines have protected many, COVID-19 remains a killer.
Dr. Moriarty said she is worried that since the bulk of COVID-19 infections has so far been among people under age 40, more hospitalizations and deaths among older age groups will occur
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