Omicron sub-variants BA.4, BA.5 make up 70% of COVID variants in U.S. – CDC
(Reuters) – The fast-spreading BA.4 and BA.5 sub-lineages of Omicron
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Omicron sub-variants BA.4, BA.5 make up more than 50% of U.S. COVID cases – CDC
(Reuters) – The fast-spreading BA.4 and BA.5 sub-variants of Omicron
Omicron sub-variants BA.4 and BA.5 account for up to 13% of COVID variants in U.S. – CDC
(Reuters) – The BA.4 and BA.5 sub-variants of Omicron are