New Omicron Offshoot BA.2 Arrives In U.S. After Spreading In U.K., Denmark, India
deadline.comJust as the Omicron wave may have broken across the U.S. comes word of another version of the more transmissible variant, dubbed BA.2.
It’s been nicknamed by some “stealth Omicron,” because it seems to evade identification better than its predecessor.While other new variants that seemed worrisome — like Mu or Lambda — have had little impact, and details are still sketchy, early indications are that BA.2 seems to be spreading even in countries where the original Omicron lineage, BA.1, is dominant.
In Denmark, a country whose Covid policies are often contrasted with the U.S., BA.2 now accounts for nearly half of the test samples sequenced.
In the final week of December, according to data from Statens Serum Institut under the auspices of the Danish Ministry of Health, the subvariant accounted for 20% of all Covid cases in Denmark.
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