What specialists know about Omicron subvariant BA.2

CBC News published this video item, entitled “What specialists know about Omicron subvariant BA.2” – below is their description.

A subvariant of the Omicron variant of the coronavirus — called BA.2 — is surging in certain countries. Respirologist Dr. Samir Gupta says more data is needed to determine if it is more transmissible or more able to evade immunity than previous variants.

CBC News YouTube Channel

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