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The omicron variant of the coronavirus that causes COVID-19 accounted for 99.8% of global new cases in the latest week, the World Health Organization said Wednesday, and the BA.2 subvariant accounted for 93.6% of those, in the latest data point to show just how dominant it has become.
In its weekly epidemiological update, the agency said BA.2 has become dominant in all six of its regions and in 68 countries for which sequencing data are available.
The…
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