No one knows when a fresh surge of COVID-19 cases will emerge in Canada, but experts agree numbers are poised to rise and could very well explode in surveillance blindspots.
One need only look to South Korea, where infections spread anew through Seoul's nightclubs and bars, to see how quickly containment successes unravel when undetected cases spark flareups.
Even with containment, the virus is circulating in the community thanks to a small percentage of people with mild and no symptoms who don't even know they are sick, adds Dr. Gerald Evans, medical director of infection control at the Kingston Health Sciences Centre. This may sound obvious but wherever it happens, it'll be precisely where we are not looking, says Lemieux, which is why ramped-up testing and contact tracing measures are critical as millions of Canadians consider increased exposure.
As with case numbers, relaxed measures vary from province to province -- licensed daycares can reopen Tuesday in New Brunswick, some classroom activity has already resumed in Quebec, while hair salons and restaurant patios recently opened in Manitoba. And because the infection rate is on the decline, provinces should be able to stamp out threats posed by every new case.
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