HealthGermanyWhy is the Omicron variant so dangerous?To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 videoHealthGermany11/29/2021November 29, 2021The Omicron variant might be one of the first real immunoescape variants, says Professor Adam Grundhoff of the Leibniz Institute of Experimental Virology. It could therefore re-infect people who have been vaccinated or have recovered from COVID-19.https://p.dw.com/p/43dKPAdvertisement