AdvertisementIs The Variant From India The Most Contagious Coronavirus Mutant On The Planet?Updated May 14, 2021Michaeleen DouclefffacebookEmailThe numerals in the illustration show the main mutation sites of the B.1.1.7 variant first detected in the U.K., which is more transmissible than other variants. Here, the virus's spike protein (red) is bound to a human cell (blue). (Juan Gaertner/Science Source)This article was originally published on May 07, 2021.