SARS-CoV-2 Beta variant

SARS-CoV-2 Variant
Beta
Scientifically accurate atomic model of the external structure of SARS-CoV-2. Each "ball" is an atom.
Scientifically accurate atomic model of the external structure of SARS-CoV-2. Each "ball" is an atom.
General details
WHO DesignationBeta
LineageB.1.351
First detectedNelson Mandela Bay, South Africa
Date reportedJuly 2020 (2020-07) or August 2020 (2020-08)
StatusVariant of concern
Cases map
Countries with confirmed cases of Beta variant as of 2 July 2021[1]
Legend:
  1,000+ confirmed sequences
  250–999 confirmed sequences
  100–249 confirmed sequences
  10–99 confirmed sequences
  2–9 confirmed sequences
  1 confirmed sequence
  None or no data available
Major variants

The Beta variant,[1][2] (B.1.351),[a] was[5][6] a variant of SARS-CoV-2, the virus that causes COVID-19. One of several SARS-CoV-2 variants initially believed to be of particular importance, it was first detected in the Nelson Mandela Bay[7] metropolitan area of the Eastern Cape province of South Africa in October 2020,[8] which was reported by the country's health department on 18 December 2020.[9] Phylogeographic analysis suggests this variant emerged in the Nelson Mandela Bay area in July or August 2020.[10]

The World Health Organization labelled the variant as Beta variant, not to replace the scientific name but as a name for the public to commonly refer to.[11][12] The WHO considers it to be a variant of concern no longer in circulation.[5]

  1. ^ a b "GISAID - hCov19 Variants". www.gisaid.org. Retrieved 21 July 2021.
  2. ^ "Tracking SARS-CoV-2 variants". www.who.int. Retrieved 1 June 2021.
  3. ^ "Emerging SARS-CoV-2 Variants". Centers for Disease Control and Prevention. 3 January 2021.
  4. ^ For a list of sources, see South African COVID-19 variant.
  5. ^ a b "Tracking SARS-CoV-2 variants". www.who.int. Retrieved 17 August 2022.
  6. ^ "Variants of concern". CDGN. Retrieved 17 August 2022.
  7. ^ "SA reaches grim milestone of 1 million Covid-19 cases". www.iol.co.za. Retrieved 29 December 2020.
  8. ^ "Covid: South Africa passes one million infections as cases surge". BBC News. 28 December 2020. Retrieved 29 December 2020.
  9. ^ "South Africa announces a new coronavirus variant". The New York Times. 18 December 2020. Retrieved 20 December 2020. N501Y...has been found in other countries, including the United Kingdom
  10. ^ Houriiyah Tegally; et al. (22 December 2020). "Emergence and rapid spread of a new severe acute respiratory syndrome-related coronavirus 2 (SARS-CoV-2) lineage with multiple spike mutations in South Africa". medrxiv. doi:10.1101/2020.12.21.20248640. Retrieved 10 March 2021. Spatiotemporal phylogeographic analysis suggests that the 501Y.V2 lineage emerged in early August (early July – end August 2020, 95% highest posterior density) in Nelson Mandela Bay.
  11. ^ "Tracking SARS-CoV-2 variants". www.who.int. Retrieved 1 June 2021.
  12. ^ TIMESOFINDIA.COM (2 June 2021). "Explained: Why WHO named Covid-19 variants first found in India as 'Kappa' and 'Delta'". The Times of India. Retrieved 2 June 2021.


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