BA.2.12.1 poised to become dominant in US, raising concern for future vaccines


The omicron subvariant BA.2.12.1 is poised to become dominant in the US, currently accounting for an estimated 36.5 percent of all US SARS-CoV-2 cases, according to the latest estimates released Tuesday by the Centers for Disease Control and Prevention. The subvariant's ascent is the latest rapid succession of omicron subvariants, from the sky-scraping peak of cases from the initial omicron subva...

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