5 things we know and still don’t know about COVID, 5 years after it appeared
Five years after the virus that causes COVID emerged in China it still holds some mysteries. The disease has killed an ...
CBC.ca2y
Nova Scotia confirms 2 cases of 'Kraken' COVID-19 variant
A colourized electron microscope image of SARS-CoV-2, the virus behind COVID-19. Scientists are now watching the Omicron subvariant XBB.1.5, which is on the rise in multiple countries, including ...