It looks like some of the new coronavirus variants can evade parts of our immune response, but it’s not yet clear if we need to update the vaccines
Source:
https://www.newscientist.com/article/2265221-can-coronavirus-variants-reinfect-people-and-evade-the-vaccines/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=home