Research and analysis

Investigation of SARS-CoV-2 variants: technical briefings

Technical briefing documents on novel SARS-CoV-2 variants.

• From: UK Health Security Agency
• Published: 1 October 2021
• Last updated: 22 September 2023
  Show all updates

  1. 22 September 2023

     Added technical briefing 55 and underlying data spreadsheet.

  2. 14 September 2023

     Added technical briefing 54 and underlying data spreadsheet.

  3. 9 September 2023

     Corrected table 2 title in technical briefing 53.

  4. 8 September 2023

     Corrected data in table 1 of technical briefing 53.

  5. 8 September 2023

     Added technical briefing 53 and underlying data spreadsheet.

  6. 21 April 2023

     Added technical briefing 52 and underlying data spreadsheet.

  7. 10 March 2023

     Added technical briefing 51 and underlying data spreadsheet.

  8. 22 February 2023

     Corrected section 4.1 of Technical briefing 50.

  9. 10 February 2023

     Added technical briefing 50 and underlying data spreadsheet.

  10. 12 January 2023

      Changed section 5.1 to part 6 in technical briefing 49.

  11. 11 January 2023

      Added technical briefing 49 and underlying data spreadsheet.

  12. 25 November 2022

      Added technical briefing 48 and underlying data spreadsheet.

  13. 2 November 2022

      Minor correction to table 1b in technical briefings 45 and 46.

  14. 28 October 2022

      Added latest technical briefing and underlying data.

  15. 7 October 2022

      Correction to reporting of cases in England only in technical briefing 45.

  16. 7 October 2022

      Added latest technical briefing and accompanying data.

  17. 9 September 2022

      Added latest report and underlying data.

  18. 22 July 2022

      Added technical briefing 44 and data spreadsheet.

  19. 28 June 2022

      Updated technical briefing 43 with link to latest risk assessment.

  20. 24 June 2022

      Added latest report and underlying data.

  21. 20 May 2022

      Added latest report and underlying data.

  22. 6 May 2022

      Added latest report and underlying data.

  23. 8 April 2022

      Added latest weekly report and underlying data.

  24. 25 March 2022

      Added latest report and underlying data.

  25. 11 March 2022

      Added latest Technical Briefing and accompanying data.

  26. 25 February 2022

      Added latest technical briefing and underlying data.

  27. 22 February 2022

      Corrected data cut-off date to 7 February 2022 for technical briefing 36.

  28. 11 February 2022

      Added latest technical briefing and underlying data.

  29. 28 January 2022

      Added latest technical briefing and accompanying data.

  30. 19 January 2022

      Updated link in technical briefing 34 to Oxford University and ONS study.

  31. 14 January 2022

      A correction has been made to the summary and symptom analysis text due to an earlier error. The analysis and findings are unchanged.

  32. 14 January 2022

      Added latest technical briefing and underlying data.

  33. 11 January 2022

      Corrected next publication date of Omicron risk assessment in latest technical briefing.

  34. 31 December 2021

      Added technical briefing on Omicron and underlying data.

  35. 23 December 2021

      Added technical briefing 33.

  36. 21 December 2021

      Updated information about the performance of diagnostic LFDs under 2.1 in Technical Briefing 32.

  37. 17 December 2021

      Added latest Technical Briefing and underlying data.

  38. 15 December 2021

      Omicron daily overview moved to new page and linked from details section.

  39. 13 December 2021

      Added Omicron daily overview: 13 December 2021.

  40. 10 December 2021

      Added latest technical briefing and underlying data.

  41. 8 December 2021

      Added 'Omicron VOC-21NOV-01 (B.1.1.529) update on cases, S gene target failure and risk assessment' and underlying data.

  42. 3 December 2021

      Added latest technical briefing and underlying data.

  43. 26 November 2021

      Added latest technical briefing and accompanying data.

  44. 12 November 2021

      Added technical briefing 28 and underlying data.

  45. 29 October 2021

      Added technical briefing 27 and underlying data.

  46. 22 October 2021

      Added technical briefing 26 and underlying data.

  47. 15 October 2021

      Added latest Technical Briefing and underlying data.

  48. 1 October 2021

      First published.

Applies to England

Documents

SARS-CoV-2 variant surveillance and assessment: technical briefing 55

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Technical briefing 55: underlying data

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SARS-CoV-2 variant surveillance and assessment: technical briefing 54

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Technical briefing 54: underlying data

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SARS-CoV-2 variant surveillance and assessment: technical briefing 53

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Technical briefing 53: underlying data

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SARS-CoV-2 variants of concern and variants under investigation in England: technical briefing 52

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Technical briefing 52: underlying data

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SARS-CoV-2 variants of concern and variants under investigation in England: technical briefing 51

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Technical briefing 51: underlying data

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SARS-CoV-2 variants of concern and variants under investigation in England: technical briefing 50

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Technical briefing 50: underlying data

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SARS-CoV-2 variants of concern and variants under investigation in England: technical briefing 49

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Technical briefing 49: underlying data

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SARS-CoV-2 variants of concern and variants under investigation in England: technical briefing 48

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Technical briefing 48: underlying data

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SARS-CoV-2 variants of concern and variants under investigation in England: technical briefing 47

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Technical briefing 47: underlying data

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SARS-CoV-2 variants of concern and variants under investigation in England: technical briefing 46

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Technical briefing 46: underlying data

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SARS-CoV-2 variants of concern and variants under investigation in England: technical briefing 45

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Technical briefing 45: underlying data

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SARS-CoV-2 variants of concern and variants under investigation in England: technical briefing 44

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Technical briefing 44: underlying data

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SARS-CoV-2 variants of concern and variants under investigation in England: technical briefing 43

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Technical briefing 43: underlying data

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SARS-CoV-2 variants of concern and variants under investigation in England: technical briefing 42

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Technical briefing 42: underlying data

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Technical briefing 41: underlying data

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SARS-CoV-2 variants of concern and variants under investigation in England: technical briefing 41

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SARS-CoV-2 variants of concern and variants under investigation in England: technical briefing 40

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Technical briefing 40: underlying data

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SARS-CoV-2 variants of concern and variants under investigation in England: technical briefing 39

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Technical briefing 39: underlying data

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SARS-CoV-2 variants of concern and variants under investigation in England: technical briefing 38

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Technical briefing 38: underlying data

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SARS-CoV-2 variants of concern and variants under investigation in England: technical briefing 37

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Technical briefing 37: underlying data

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SARS-CoV-2 variants of concern and variants under investigation in England: technical briefing 36

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Technical briefing 36: underlying data

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SARS-CoV-2 variants of concern and variants under investigation in England: technical briefing 35

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Technical briefing 35: underlying data

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SARS-CoV-2 variants of concern and variants under investigation in England: technical briefing 34

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Technical briefing 34: underlying data

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Omicron VOC-21NOV-01 (B.1.1.529) technical briefing: hospitalisation and vaccine effectiveness

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Omicron VOC-21NOV-01 (B.1.1.529) technical briefing: underlying data

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SARS-CoV-2 variants of concern and variants under investigation in England: technical briefing 33

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Technical briefing 33: underlying data

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SARS-CoV-2 variants of concern and variants under investigation in England: technical briefing 32

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Technical briefing 32: underlying data

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SARS-CoV-2 variants of concern and variants under investigation in England: technical briefing 31

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Technical briefing 31: underlying data

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SARS-CoV-2 variants of concern and variants under investigation in England: Omicron VOC-21NOV-01 (B.1.1.529) update on cases, S gene target failure and risk assessment

Ref: UKHSA publications gateway number GOV-10672

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Variants of concern Omicron update: underlying data

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SARS-CoV-2 variants of concern and variants under investigation in England: technical briefing 30

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Technical briefing 30: underlying data

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SARS-CoV-2 variants of concern and variants under investigation in England: technical briefing 29

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Technical briefing 29: underlying data

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SARS-CoV-2 variants of concern and variants under investigation in England: technical briefing 28

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Technical briefing 28: underlying data

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SARS-CoV-2 variants of concern and variants under investigation in England: technical briefing 27

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Technical briefing 27: underlying data

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SARS-CoV-2 variants of concern and variants under investigation in England: technical briefing 26

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Technical briefing 26: underlying data

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SARS-CoV-2 variants of concern and variants under investigation in England: technical briefing 25

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Technical briefing 25: underlying data

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SARS-CoV-2 variants of concern and variants under investigation in England: technical briefing 24

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Technical briefing 24: underlying data

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Details

Technical briefing documents and underlying data on novel SARS-CoV-2 variants.

Previous versions were published by Public Health England.

See daily overview and summary of case data for Omicron.