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A surge in infections from the Omicron variant last respiratory virus season left three quarters of Canada s population with immunity against the virus that causes COVID-19. ....
Most people in Canada now have hybrid immunity against SARS-CoV-2 through a mix of infection and vaccination, new research in CMAJ (Canadian Medical Association Journal) shows. ....
After billions of global COVID-19 infections, millions of deaths, and countless lives upended by long-lasting health impacts, we’ve finally hit a point in this pandemic where SARS-CoV-2 isn’t the fearsome pathogen it used to be. That's thanks to how both the virus, and our immunity against it, are evolving. ....