Officials monitor new omicron sub-variant l GMA

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Omicron sub-variant spreading

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ABC News Live: Health officials tracking omicron sub-variant l ABCNL

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Omicron: Emerging Omicron Sub Variant Shouldn't Delay Lull In COVID pandemic

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Omicron sub-variant BA.2 explained

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Omicron sub-variant BA.2: New COVID-19 strain spreads in South Australia | 7NEWS

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2 new Omicron sub-variants discovered as COVID-19 cases continue to decline globally: WHO

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Omicron sub-variant BA.2

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New Omicron sub-variant is 1.5 times more infectious, early data suggests | SBS News

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4 cases of omicron sub-variant found in Yolo County

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Overview of the BA.2 sub-lineage of the Omicron variant of the SARS-COV-2 virus

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Omicron sub-variant BA.2 found in Santa Clara County

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What is the 'Son of Omicron' sub-variant? Norman Swan explains | ABC News

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Cases of Omicron sub-variant rising across the country | ABC News

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NSW confirms new Omicron sub-variant cases | SBS News

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Covid cases are rising as omicron sub-variant grows

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New Omicron sub-variant found in Ada County

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New omicron sub-variant causing concerns

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New warnings about two more Omicron sub-variants emerging | ABC News

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Is the BA.2 sub-variant of omicron cause for concern?

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