A study aiming to illuminate the origins of the #SARSCoV2 Omicron variant, using virus sequences from 22 African countries, reveals diverse Omicron ancestors existed across Africa by August 2021, predating the first reports of Omicron in November 2021. https://t.co/AZ7axILE6N pic.twitter.com/trKdULhMLK

— Science Magazine (@ScienceMagazine) December 1, 2022