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SARS-CoV-2 Zeta variant

From Wikipedia, the free encyclopedia
Variant of the SARS-Cov-2 virus

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COVID-19 pandemic
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.
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Main article:Variants of SARS-CoV-2

Zeta variant, also known aslineage P.2,[a] is avariant ofSARS-CoV-2, the virus that causesCOVID-19. It was first detected in the state ofRio de Janeiro; it harbors the E484Kmutation, but not the N501Y and K417T mutations. It evolved independently in Rio de Janeiro without being directly related to theGamma variant from Manaus.[1][2]

Under the simplified naming scheme proposed by theWorld Health Organization, P.2 was labeled "Zeta variant", and was considered a variant of interest (VOI), but not avariant of concern.[3] A second wave was preceded in November 2020 by an increase in the prevalence of the Zeta variant among genetic sequences from São Paulo state, deposited into theGISAID database.[4] As of July 2021, Zeta is no longer considered a variant of interest by the WHO.[5]

Mutations

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The Zeta genome has 3amino acid mutations:E484K,D614G, and V1176F, all of which are found in thevirus'sspike protein code.[6] According to theCenters for Disease Control and Prevention, F565L has been detected in some of the Zeta variant sequences, but not all.[7]

  • Amino acid mutations of SARS-CoV-2 Zeta variant plotted on a genome map of SARS-CoV-2 with a focus on the spike.[6]
    Amino acid mutations of SARS-CoV-2 Zeta variant plotted on a genome map of SARS-CoV-2 with a focus on the spike.[6]

Notes

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  1. ^A sub-lineage of B.1.1.28

References

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  1. ^"PANGO lineages Lineage P.2".COV lineages. Archived fromthe original on April 28, 2021. RetrievedJanuary 28, 2021.P.2... Alias of B.1.1.28.2, Brazilian lineage
  2. ^Voloch, Carolina M.; da Silva Francisco, Ronaldo; de Almeida, Luiz G. P.; Cardoso, Cynthia C.; Brustolini, Otavio J.; Gerber, Alexandra L.; Guimarães, Ana Paula de C.; Mariani, Diana; da Costa, Raissa Mirella; Ferreira, Orlando C.; Cavalcanti, Adriana Cony (April 26, 2021)."Genomic Characterization of a Novel SARS-CoV-2 Lineage from Rio de Janeiro, Brazil".Journal of Virology.95 (10).doi:10.1128/JVI.00119-21.ISSN 0022-538X.PMC 8139668.PMID 33649194.
  3. ^"Genomic characterisation of an emergent SARS-CoV-2 lineage in Manaus: preliminary findings".Virological. January 12, 2021. RetrievedJune 26, 2021.
  4. ^Ranzani, Otavio (2021). "Effectiveness of the CoronaVac vaccine in the elderly population during a Gamma variant-associated epidemic of COVID-19 in Brazil".medRxiv 10.1101/2021.05.19.21257472v3.
  5. ^"Tracking SARS-CoV-2 variants".who.int. World Health Organization.
  6. ^ab"Spike Variants: Zeta variant, aka P.2".covdb.stanford.edu.Stanford University Coronavirus Antiviral & Resistance Database. July 1, 2021. RetrievedJuly 5, 2021.
  7. ^"SARS-CoV-2 Variant Classifications and Definitions".CDC.gov. Centers for Disease Control and Prevention. February 11, 2020. RetrievedJuly 5, 2021.
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