COVID-19 (SARS-CoV-2) variants

Information on variants of the SARS-CoV-2 virus.


Guidance and information

Investigation of SARS-CoV-2 variants

COVID-19 therapeutics

Lateral flow testing

News and announcements

Surge testing

Published 21 December 2020
Last updated 21 January 2022 + show all updates
  1. Added 'COVID-19 therapeutic agents: technical briefings'.

  2. Added 'SARS-CoV-2 variant of concern diagnostic assurance' and 'Reflex (genotyping) assays for identification of priority SARS-CoV-2 variants of concern'.

  3. Added 'SARS-CoV-2 variants of public health interest' under 'Investigation of SARS-CoV-2 variants'.

  4. Added link to 'Increased household transmission of COVID-19 cases associated with SARS-CoV-2 Variant of Concern B.1.617.2: a national case-control study'.

  5. Added links to 'Confirmed cases of VOC-21APR-02 by week' under Data.

  6. Added 'Investigation of SARS-CoV-2 variants' section.

  7. Added 'COVID-19 surge testing outcomes reports: management information' under Surge testing.

  8. Added Data and Surge testing sections.

  9. Added link to 'SARS-CoV-2 lateral flow antigen tests: evaluation of VOC1 (Kent, UK) and VOC2 (South Africa)' guidance.

  10. Added 'COVID-19 variants: genomically confirmed case numbers'.

  11. Added 'SARS-CoV-2 VOC: investigating and managing individuals with a possible or confirmed case'.

  12. Added link to New variant clustering in households analysis (ONS).

  13. Added link to Central Alerting System (CAS) alert under 'Guidance and information'.

  14. Added links to news stories.

  15. Added 'SARS-CoV-2 lateral flow antigen tests: evaluation of VUI-202012/01'.

  16. First published.