The Vanishing Variants: Lessons from Gamma, Iota and Mu Studying the coronavirus variants that have faded away could help us prepare for what comes next, scientists say. Author: Emily Anthes Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window)Click to email a link to a friend (Opens in new window)Click to print (Opens in new window)MoreClick to share on LinkedIn (Opens in new window)Click to share on Reddit (Opens in new window)Click to share on Tumblr (Opens in new window)