July 27, 2021

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Covit-19 – Alpha, Delta, Epsilon, Lampta … How to navigate the jungle of variations

Several variants of SARS-Cove-2 are now recognized worldwide. We take part.

Originally named after the place where it was first discovered, variants of the SARS-Cove-2 corona virus have been named since the beginning of June according to the Greek alphabet. “Vinnanamarra audience makes it easier and more implements of their emissions” It says it will no longer stigmatize the country where it was foundWorld Health Organization (WHO).

Already, ten types have been identified around the world, from the Greek alpha (α) to the letter lambda (λ). Currently, only the first four are designated as VOCs (Variations of Anxiety) by the World Health Organization. These are:

  • Variation Alpha (“English” or “British”) Discovered on September 20, 2020 in Kent, southeastern England. On December 14, the United Kingdom announced the circulation of this variant to the WHO. It was soon recognized as a “worrying variant” on December 18, 2020.
  • Variation Beta (“South Africa”) first seen in May 2020 and by the end of 2020 became the majority throughout South Africa. It was designated December 18, 2020 as the “Variation of Anxiety”.
  • Variation limit (“Brazilian”) Discovered in November 2020 WHO is concerned by January 2021.
  • Variation Delta . France and Europe.

The other six types are branded VOI by OMS, namely “variations of interest”, “variations of interest” in French.

  • Variation Epsilon, Initially detected in the United States, Southern California between March and July 2020. Named the “Variation of Interest” in May 2021.
  • Variation eta, December 2020 was seen as compatible in many countries. This is classified as “interest variance” on March 17, 2021.
  • Theta variation, Appeared in the Philippines in February 2021 and was classified as a “variance of interest” on June 1, 2021.
  • Variation Iota, VOI, discovered and classified in New York, USA last November, March 24, 2021.
  • Variation Kappa, Seen in India in October 2020. This is named “April Variation” on April 4, 2021.
  • Variation Lampta, Appeared in Peru last December. This is the most recent to be categorized as the “variance of interest” on June 14th. Its potential seems to be of concern to many countries Increases resistance to immunity (vaccine or natural) compared to other types.
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The evolution of the spread of these types can be traced back to the site GISAID (Global initiative to share avian influenza data) It compiles all available global data, which you can find below.