(Reuters) – The fast-spreading BA.4 and BA.5 sub-lineages of Omicron are estimated to make up a combined 70.1% of the coronavirus variants in the United States as of July 2, …
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ba.4
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(Reuters) – The fast-spreading BA.4 and BA.5 sub-variants of Omicron are estimated to make up a combined 52% of the coronavirus cases in the United States as of June 25, …
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(Reuters) – The BA.4 and BA.5 sub-variants of Omicron are estimated to make up nearly 5% and 8% of the coronavirus variants in the United States as of June 4, …