A new COVID strain started to create waves among virus trackers this week, outpacing nearly all other variants of interest scientists are tracking in the U.S. this autumn. 

The Omicron spawn, which scientists have named BF.7—short for BA.5.2.1.7—comprised 1.7% of sequenced infections last week in the U.S., according to new data from the U.S. Centers for Disease Control and Prevention. Other variants jockeying for the top spot right now—held by BA.5, at 85%—include BA.4.6, which comprised 10.3% of infections, and BA.2.75, which comprised 1.3%.

Scientists are taking notice of BF.7 because it’s making headway in an increasingly crowded field of Omicron subvariants. For months they’ve watched BA.2.75—dubbed Centaurus by the Twitterverse—as a variant of interest with potential to surge this fall.

More at source: Fortune

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