(Bloomberg) — The omicron subvariant BA.2 continues to gain ground in the US, according to Covid-19 tests sequenced over the past two weeks. Helix, a San Diego-based genomics company, has been monitoring the BA.2 variant since it first surfaced in the US in early January. Although it was slow to start at first, Helix now estimates that 50% to 70% of all Covid cases nationwide are BA.2. Will Lee, Helix’s chief science officer…

This post Covid tests show Omicron BA.2 subvariant gaining ground in US

was original published at “https://www.bloombergquint.com/business/ba-2-variant-of-covid-is-gaining-ground-in-the-us-as-cdc-to-update-data”