
What do we know about the Mu variant?
Another variant is being mentioned in discussions about the pandemic these days. It’s called Mu (pronounced as myoo, not moo) or B.1.621, and after being identified in Colombia in January 2021, it’s now found in 39 countries across the globe.Mu has several characteristics that make it “seem likely” (not confirmed) to infect human cells more efficiently than previous versions of the coronavirus that’s why the World Health Organization (WHO) has identified this variant as a “variant of interest” — as opposed to rather a “variant of concern” — because experts are still observing it. There have been 11 noteworthy variants to date, which the WHO has named for the letters of the Greek alphabet. Mu is the 12th.Mu has eight mutations in its spike protein, many of which are also p...



