(NEXSTAR) – The World Health Organization has identified another coronavirus variant that may have the ability to evade vaccine protections. The B.1.621 variant, also known as the “mu” variant, was ...
This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. Weekdays at 10:30 a.m. CST/11:30 a.m. EST, ...