New COVID-19 subvariant likely to take over in Canada, says expertDuration: 02:21A highly infectious variant of the coronavirus, XBB.1.5, which is now spreading rapidly in the U.S., is likely to become dominant in Canada, says respirologist Dr. Samir Gupta. It's not certain whether it causes more severe disease, he says.

Source: CBC News January 04, 2023 15:37 UTC