The Genetic Mutation That Makes ‘Kraken’ Covid So Contagious

(Rolling Stone) A particular change in the spike protein means the virus is spreading faster than ever. There is a new, more contagious form of the novel-coronavirus. It’s got a greater ability to evade our antibodies. And it’s spreading easier than ever. You’ve read these words before, and you’ll almost certainly read them again as the Covid pandemic grinds into its fourth calendar year. But pay attention, because there’s something new about XBB.1.5, also known as Kraken, the latest Omicron subvariant that’s quickly becoming the dominant form of SARS-CoV-2 across much of the world. XBB.1.5 evolved after a couple of big genetic twists and turns.  The virus still has the potential to surprise us. And that can mean only one thing: “SARS-CoV-2 seems like it’s going to be with us for a long time,” says Matthew Frieman, a University of Maryland School of Medicine immunologist and microbiologist.