BA.5, a new Omicron subvariant of the coronavirus, has become dominant in the U.S., accounting for 65% of infections nationwide, according to the Centers for Disease Control and Prevention. Some ...
(NEXSTAR) – On Tuesday, the Centers for Disease Control and Prevention added two new subvariants to its online tracker: BA.4 and BA.5. Both are subvariants of the omicron variant of COVID-19, which ...
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