Although there are signs the Omicron wave has peaked, concerns are growing over its new subvariant BA.2 that’s been detected in Canada. Abigail Bimman breaks down what’s known so far about the new mutation, and what health experts are watching out for.
- Omicron subvariant reinfections possible but rare, Danish study shows
- BA.2 subvariant harder to identify than original Omicron strain, WHO says
- More transmissible BA.2 Omicron subvariant detected in Saskatoon