blog postsWhat is the new variant of coronavirus in the UK?Dec 23, 2020 8:00 am by Liz Ahlberg TouchstoneExpert ViewpointsShare on FacebookTweetEmailImagesThe new strain of coronavirus circulating in the U.K. has a mutation that makes its spike protein bind 20 times more strongly to the receptor on human cells, says Illinois professor Erik Procko. Share on FacebookTweetEmail