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
sub-variants
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
Some Omicron sub-variants escaping antibodies from Sinopharm shot -Chinese study
BEIJING – A small Chinese study detailed in The Lancet
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
WHO says it is analysing two new Omicron COVID sub-variants
By Jennifer Rigby (Reuters) – The World Health Organization said