What do we know about the Omicron subvariant BA.2?

The Dose - Podcast tekijän mukaan CBC - Torstaisin

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Omicron is still the dominant coronavirus strain in the country. But lately we’ve been hearing about what’s been dubbed the “little sister” of Omicron, known as subvariant BA.2. So what do we know about this Omicron subvariant? We find out from Angela Rasmussen, a virologist at the University of Saskatchewan's Vaccine and Infectious Disease Organization (VIDO).