Coronavirus variants may be hiding in plain sight, but Canada doesn’t test enough to know | CBC News

Coronavirus variants may be hiding in plain sight, but Canada doesn’t test enough to know | CBC News
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This is an excerpt from Second Opinion, a weekly roundup of health and medical science news emailed to subscribers every Saturday morning. If you haven’t subscribed yet, you can do that by clicking here.


Canada is on the hunt for highly contagious strains of the coronavirus, but experts say they could already be spreading across the country and we may not be able to keep up with surveillance as more outbreaks occur.

Only five per cent of virus samples in Canada are tested for coronavirus variants, including those first identified in South Africa, Brazil and the U.K. — with the latter estimated to be at least 56 per cent more transmissible than the main coronavirus and potentially more deadly as well.

There have been at least 34 cases of variants confirmed in Canada in…



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