Mu variant

Mu variant is a new SARS-CoV-2 variant that is classified by the World Health Organization as a variant of interest. Apart from Mu, there are four other variants of interest – Eta, Iota, Kappa and Lambda. It is scientifically known as B.1.621.
The variant was first detected in Colombia during the start of this year. Around 39 per cent of the COVID-19 cases in the country are infected by this variant. It was classified as the variant of interest in August. It is likely to be resilient to vaccine because of its many mutations. It is currently reported in South American countries and in Europe.

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