New omicron subvariants now dominant in the US, raising fears of a winter surge

New omicron subvariants now dominant in the US, raising fears of a winter surge

New COVID variants that are highly immune evasive have overtaken BA.5 to dominate in the US Experts warn this means more reinfections and a possible winter surge. Spencer Platt/Getty Images hide caption toggle caption Spencer Platt/Getty Images New COVID variants that are highly immune evasive have overtaken BA.5 to dominate in the US Experts warn …

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