Here’s what we know about the mu variant
Cases have been reported in the United States, Colombia, Japan, South Korea and parts of Europe.
A coronavirus variant known as “mu” or “B.1.621” was designated by the World Health Organization as a “variant of interest” earlier this week and will be monitored by the global health body as cases continue to emerge across parts of the world. It is the fifth variant of interest currently being monitored by the WHO.