SARS-CoV-2 Mu variant

SARS-CoV-2 Mu variant (also known as B.1.621) is a variant of SARS-CoV-2, the virus that causes COVID-19. It was first identified in Colombia in January 2021, and has since been detected in over 39 countries. The World Health Organization (WHO) designated it as a variant of interest (VOI) on 30 August 2021.

Characteristics[edit | edit source]

The Mu variant has a number of mutations with suspected implications for transmissibility and potential resistance to neutralizing antibodies. However, the exact implications of these mutations are not yet fully understood, and further research is needed.

Global spread[edit | edit source]

As of September 2021, the Mu variant has been detected in over 39 countries, with the highest numbers of cases reported in South America and Europe. However, it remains less prevalent than other variants of concern (VOCs) such as Delta and Alpha.

Response[edit | edit source]

The World Health Organization is monitoring the spread and impact of the Mu variant, along with other VOIs and VOCs. Vaccines continue to be an important tool in controlling the spread of all variants of the virus.

See also[edit | edit source]

SARS-CoV-2 Mu variant Resources
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