Abstract
The Mu strain: the last but not least circulating 'variant of interest'potentially affecting the COVID-19 pandemic.
Highlights
Coronaviruses are genetically variable, enveloped, ssRNA viruses that cause respiratory infections in birds and many mammals, including humans
Increases in the COVID-19 cases in different countries by mid-September 2021 can be explained by the emergence of many SARS-CoV-2 variants, increasingly confirmed in clinical samples by genome sequencing
The WHO designated a recent SARS-CoV-2 variant, the Mu variant [17], as a variant of interest (VOI) on 30 August 2021 while it was first reported in Colombia in January 2021 [18]
Summary
Coronaviruses are genetically variable, enveloped, ssRNA viruses that cause respiratory infections in birds and many mammals, including humans. Increases in the COVID-19 cases in different countries by mid-September 2021 can be explained by the emergence of many SARS-CoV-2 variants, increasingly confirmed in clinical samples by genome sequencing.
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