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Omicron BA.2 subvariant now dominant COVID-19 strain in Washington state
The new subvariant of omicron is now the dominant COVID strain in the US
Omicron subvariant BA.2 becomes dominant COVID-19 strain in US
Biden gives update as Omicron subvariant BA.2 spreads | full video
COVID-19: What we know so far about Omicron's BA.2 subvariant
DC Area Wary of Omicron Variant BA.2 | NBC4 Washington
Mayo Clinic: Latest on COVID omicron subvariant BA.2
Omicron subvariant B.A.2 sweeps the nation becoming Idaho's dominant strain
What we know about the new omicron subvariant
Cases of omicron subvariant BA-2 rising in the U.S.
Health officials eye spread of new variant
As scientists monitor new omicron subvariant BA.2, here's what we know
