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How omicron subvariants are causing a surge in COVID infections
New omicron subvariant could fuel new surge in COVID cases
Omicron subvariants fuel new wave of COVID infections across U.S.
New omicron subvariant fuels COVID surge
COVID-19 deaths rising due to omicron subvariant
Omicron subvariants fuel fears of new COVID surge l GMA
New Omicron Subvariant Fueling Covid Surge Across Much of U.S.
Omicron subvariant BA.5 causing uptick in COVID cases in US
Local infectious disease specialist attributes new COVID surge to omicron subvariant
New Omicron variants drive spike in U.S. COVID cases
Breakthrough COVID-19 deaths increasing as omicron subvariants spread
Highly contagious new Omicron subvariant BA.2.75 latest global Covid challenge
