New Mutant Omicron Feared to Be the Most Contagious Variant Yet Just when it looked like Omicron had peaked, a stealthy new variant is starting to surge and experts are warning it’s even “more contagious.” Just a couple weeks ago it seemed like the worst was behind us and the wave of COVID-19 infections driven by the new Omicron variant was beginning to ebb in many of the worst-hit places. But epidemiologists warned that some new variant would eventually replace Omicron, potentially driving a new surge in cases. They were right. Knight Lab February 17, 2022 0 Share