ScienceDeltacron debate, new stealth omicron dataTo play this audio please enable JavaScript, and consider upgrading to a web browser that supports HTML5 videoScienceConor Dillon | Konstantin Gabow01/31/2022January 31, 2022The BA.2 subvariant is replacing omicron (BA.1). Does that matter?https://p.dw.com/p/46KOzAdvertisement