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New COVID variant JN.1 'better at evading our immune systems,' CDC says
https://www.sfchronicle.com/health/article/cdc-says-new-covid-variant-jn-1-better-evading-18554541.phpTwo new immune-evasive coronavirus variants are now responsible for more than half of the COVID-19 cases in the United States, contributing to a wave of infections just ahead of the holidays.
The predominant omicron subvariant, HV.1, has been steadily circulating since early September. But it is being overshadowed by the rapid growth of the JN.1 variant, recently disaggregated from its parent BA.2.86.
Accounting for 21.4% of new cases last week — almost triple the estimated 8% reported over Thanksgiving — JN.1 exhibits increased immunity evasion compared to earlier SARS-CoV-2 strains, according to a risk assessment from the U.S. Centers for Disease Control and Prevention.
(snip)