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Omicron subvariant BA-2 spreading in U.S.
Omicron subvariant BA.2 beginning to spread in U.S.
Omicron subvariant BA.2 spreading: How concerned should Americans be?
Biden gives update as Omicron subvariant BA.2 spreads | full video
Health officials discuss Omicron subvariant BA.2 spread, call for new COVID funding | full video
BA.2 Omicron Subvariant: What You Need To Know
Omicron subvariant BA.2 becomes dominant COVID-19 strain in US
What Omicron subvariant BA.2 means to U.S.
Mayo Clinic: Latest on COVID omicron subvariant BA.2
Spread of Omicron Subvariant
Omicron BA.2 Subvariant Gains Ground in U.S.
Cases of omicron subvariant BA-2 rising in the U.S.
