Omicron XBB.1.5 variant expands US dominance except to northwest

Omicron XBB.1.5 variant expands US dominance CIDRAP

...the CDC said the more transmissible XBB.15 subvariant makes up an estimated 74.7% of cases, up from 66.4% last week. The only area where the subvariant isn't dominant is in the far northwestern region, which includes Alaska, Idaho, Oregon, and Washington.

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