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Delta

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Can you get home from Christmas? Airlines facing Omicron-induced staff shortages continued to cancel flights Sunday, as mild weather gives way to snow and cold in the West and northern U.S. Get the latest here.

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The Delta variant of coronavirus is the dominant lineage in the US and much of the world. The Delta variant accounts for 99.9% of cases in the…

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The World Health Organization has convened a technical group of experts to decide whether the new variant warrants being designated a variant …

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