Coronavirus tally: WHO confirms XBB.1.5 has growth advantage and greater immune escape than other omicron subvariants

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Coronavirus tally: WHO confirms XBB.1.5 has growth advantage and greater immune escape than other omicron subvariants
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The XBB.1.5 omicron subvariant had a growth advantage over other circulating subvariants, and higher immune escape than previous ones, but for now there is...

The XBB.1.5 omicron subvariant had a growth advantage over other circulating subvariants, and higher immune escape than previous ones, but for now there is no data on clinical severity, according to the World Health Organization. In its weekly epidemiological update, the agency said there are six omicron variants currently under monitoring and they accounted for 76.2% of sequences submitted to a central database in the week through Dec. 25, with BQ.1 accounting for most of those or 53.4%.

In its weekly epidemiological update, the agency said there are six omicron variants currently under monitoring and they accounted for 76.2% of sequences submitted to a central database in the week through Dec. 25, with BQ.1 accounting for most of those or 53.4%. For now, XBB.1.5 data all stems from the U.S., where the seven-day average of new cases stood at 63,088 on Wednesday, according to a New York Times tracker.

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