More contagious Omicron subvariant becomes dominant in the U.S.

Mar. 29, 2022 1:21 PM ETPfizer Inc. (PFE), BNTX, MRNA, JNJBy: Dulan Lokuwithana, SA News Editor233 Comments

BA2 Omicron sub-variant gradually replacing BA1 Concept.

Viorel Poparcea/iStock via Getty Images

According to the latest data from the Centers for Disease Control and Prevention (CDC), the BA.2 sub-variant of Omicron is estimated to account for more than half of COVID-19 cases in the U.S.

The genomic surveillance

Recommended For You

Comments (233)

To ensure this doesn’t happen in the future, please enable Javascript and cookies in your browser.
Is this happening to you frequently? Please report it on our feedback forum.
If you have an ad-blocker enabled you may be blocked from proceeding. Please disable your ad-blocker and refresh.