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  2. SARS-CoV-2 Delta variant - Wikipedia

    en.wikipedia.org/wiki/SARS-CoV-2_Delta_variant

    The Delta variant (B.1.617.2) was [ 3 ][ 4 ] a variant of SARS-CoV-2, the virus that causes COVID-19. It was first detected in India on 5 October 2020. The Delta variant was named on 31 May 2021 and had spread to over 179 countries by 22 November 2021. The World Health Organization (WHO) indicated in June 2021 that the Delta variant was ...

  3. SARS-CoV-2 lineage B.1.617 - Wikipedia

    en.wikipedia.org/wiki/SARS-CoV-2_lineage_B.1.617

    Lineage B.1.617 is a lineage of SARS-CoV-2, the virus that causes COVID-19. [1] It first came to international attention in late March 2021 after the newly established INSACOG performed genome sequencing on positive samples throughout various Indian states. Analysis of samples from Maharashtra had revealed that compared to December 2020, there ...

  4. Variants of SARS-CoV-2 - Wikipedia

    en.wikipedia.org/wiki/Variants_of_SARS-CoV-2

    The Delta variant, also known as B.1.617.2, G/452R.V3, 21A [75] or 21A/S:478K, [97] was a globally dominant variant that spread to at least 185 countries. [137] It was first discovered in India. Descendant of lineage B.1.617, which also includes the Kappa variant under investigation, it was first discovered in October 2020 and has since spread ...

  5. The major COVID variants we've seen so far and which one to ...

    www.aol.com/major-covid-variants-weve-seen...

    Delta (B.617.2) First identified in India in late 2020, the delta variant soon spread across the globe. It became the dominant variant of SARS-CoV-2 until the emergence of omicron in December 2021.

  6. COVID-19 vaccine - Wikipedia

    en.wikipedia.org/wiki/COVID-19_vaccine

    As of 2022, fully vaccinated individuals with breakthrough infections with the SARS-CoV-2 delta (B.1.617.2) variant have a peak viral load similar to unvaccinated cases and can transmit infection in household settings.

  7. SARS-CoV-2 - Wikipedia

    en.wikipedia.org/wiki/SARS-CoV-2

    Delta: Lineage B.1.617.2 emerged in India in October 2020. There is also evidence of increased transmissibility and changes to antigenicity. There is also evidence of increased transmissibility and changes to antigenicity.

  8. SARS-CoV-2 Kappa variant - Wikipedia

    en.wikipedia.org/wiki/SARS-CoV-2_Kappa_variant

    e. Kappa variant[1] is a variant of SARS-CoV-2, the virus that causes COVID-19. It is one of the three sublineages of Pango lineage B.1.617. The SARS-CoV-2 Kappa variant is also known as lineage B.1.617.1 and was first detected in India in December 2020. [2] By the end of March 2021, the Kappa sub-variant accounted for more than half of the ...

  9. SARS-CoV-2 Omicron variant - Wikipedia

    en.wikipedia.org/wiki/SARS-CoV-2_Omicron_variant

    Omicron (B.1.1.529) is a variant of SARS-CoV-2 first reported to the World Health Organization (WHO) by the Network for Genomics Surveillance in South Africa on 24 November 2021. [10][11] It was first detected in Botswana and has spread to become the predominant variant in circulation around the world. [12]