Omicron Variant

4 Common Places COVID Subvariants Are Spreading
Here's where you're most at risk for getting an infection with BA.4 and B.5 circulating right now, according to experts.
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Why This 'Very, Very Contagious' Coronavirus Subvariant Is Causing Cases To Rise Again
The omicron subvariant BA.2.12.1 is poised to be the next dominant strain in the U.S. Mutations appear to have helped it replicate better and resist prior immunity.
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