ScienceGlobal issuesA 'killer variant'?To play this audio please enable JavaScript, and consider upgrading to a web browser that supports HTML5 videoScienceGlobal issuesConor Dillon | Gabriel Borrud04/22/2022April 22, 2022Is it fair to say a potentially dangerous new variant of the coronavirus, a 'killer variant,' is on its way?https://p.dw.com/p/4AI5dAdvertisement