5, a new coronavirus subvariant, unofficially nicknamed “Eris,” is becoming a dominant strain in countries including the United States and Britain. 2.86 coronavirus variant, a highly mutated form of the coronavirus that threatens to be the most adept yet at slipping past the body’s immune defenses. Here’s what you need to know about the new coronavirus vaccines, including when you should get it.Ĭoronavirus variants: Scientists are concerned about the new BA. New coronavirus booster: The CDC recommends that anyone 6 months or older get an updated coronavirus shot this fall, but the vaccine rollout has seen some hiccups, especially for children.