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

BA.2 is a sub-lineage, or sub variant, of the Omicron Coronavirus variant, and scientists are racing to assess the level of risk it presents

BA.2 is a sub-lineage, or sub variant, of the Omicron Coronavirus variant, and scientists are racing to assess the level of risk it presents Source: Getty

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The emergence of a new sub variant in Australia has put health authorities on alert.

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