ScienceOmicron variant: What we (don't) knowTo play this audio please enable JavaScript, and consider upgrading to a web browser that supports HTML5 videoScienceConor Dillon | Gabriel Borrud11/29/2021November 29, 2021The real-world data we have on omicron is skewed — in a lot of different ways.https://p.dw.com/p/43ctFAdvertisement