IS CALLED ‘Mu’ and was first identified in Colombia, in January 2021. It is the new variant of the Sars-CoV-2 virus reported in the weekly report of the World Health Organization last August 30, and named with the lineage B.1.621. Mostly, is the fifth Butter, variant of interest, whose medical relevance is not yet known but is carefully monitored for potential contagiousness and the ability to evade the immune system (a feature that could compromise the effectiveness of vaccination campaigns). It is added to Eta, Iota, Kappa and Lambda.
Covid, identikit of the variants. From Alpha to Iota, how the virus changes
by Jacopo Vergari
“It has a constellation of mutations that indicate potential immune escape properties,” WHO said. According to the bulletin, some outbreaks have been reported in European and South American countries, but the strain is mainly present in Colombia ed Ecuador, constantly increasing, with a prevalence of 39% and 13% respectively.
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