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 — See all updates

Applies to England

Documents

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

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Technical briefing 55: underlying data

Ref: UKHSA publication gateway number GOV-15466

ODS, 36.9 KB

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

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Technical briefing 54: underlying data

Ref: UKHSA publication gateway number GOV-15421

ODS, 45.2 KB

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

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Technical briefing 53: underlying data

Ref: UKHSA publication gateway number GOV-15372

ODS, 39.3 KB

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

Ref: UKHSA publication gateway number GOV-14579

PDF, 1.49 MB, 24 pages

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Technical briefing 52: underlying data

Ref: UKHSA publication gateway number GOV-14579

ODS, 86.2 KB

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

Ref: UKHSA publication gateway number GOV-14349

PDF, 2.44 MB, 29 pages

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Technical briefing 51: underlying data

Ref: UKHSA publication gateway number GOV-14349

ODS, 135 KB

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

Ref: UKHSA publication gateway number GOV-14185

PDF, 3.94 MB, 34 pages

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Technical briefing 50: underlying data

Ref: UKHSA publication gateway number GOV-14185

ODS, 170 KB

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

Ref: UKHSA publication gateway number GOV-13991

PDF, 6.33 MB, 32 pages

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Technical briefing 49: underlying data

Ref: UKHSA publication gateway number GOV-13991

ODS, 176 KB

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

Ref: UKHSA publication gateway number GOV-13696

PDF, 4.58 MB, 25 pages

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Technical briefing 48: underlying data

Ref: UKHSA publication gateway number GOV-13696

ODS, 461 KB

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

Ref: UKHSA publications gateway number GOV-13512

PDF, 2.59 MB, 32 pages

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Technical briefing 47: underlying data

Ref: UKHSA publications gateway number GOV-13512

ODS, 425 KB

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

Ref: UKHSA publications gateway number GOV-13388

PDF, 4.85 MB, 27 pages

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Technical briefing 46: underlying data

Ref: UKHSA publications gateway number GOV-13388

ODS, 450 KB

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

Ref: UKHSA publications gateway number GOV-13235

PDF, 2.74 MB, 30 pages

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Technical briefing 45: underlying data

Ref: UKHSA publications gateway number GOV-13235

ODS, 377 KB

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

Ref: UKHSA publication gateway number GOV-12795

PDF, 6.61 MB, 30 pages

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Technical briefing 44: underlying data

Ref: UKHSA publication gateway number GOV-12795

ODS, 313 KB

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

Ref: UKHSA publications gateway number GOV-12559

PDF, 3.41 MB, 37 pages

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Technical briefing 43: underlying data

Ref: UKHSA publications gateway number GOV-12559

ODS, 334 KB

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

Ref: UKHSA publications gateway number GOV-12276

PDF, 3.07 MB, 35 pages

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Technical briefing 42: underlying data

Ref: UKHSA publications gateway number GOV-12276

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Technical briefing 41: underlying data

Ref: UKHSA publications gateway number GOV-12156

ODS, 544 KB

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

Ref: UKHSA publications gateway number GOV-12156

PDF, 3.27 MB, 25 pages

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

Ref: UKHSA publications gateway number GOV-11916

PDF, 4.49 MB, 42 pages

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Technical briefing 40: underlying data

Ref: UKHSA publications gateway number GOV-11916

ODS, 630 KB

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

Ref: UKHSA publications gateway number GOV-11753

PDF, 4.6 MB, 41 pages

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Technical briefing 39: underlying data

Ref: UKHSA publications gateway number GOV-11753

ODS, 304 KB

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

Ref: UKHSA publications gateway number GOV-11613

PDF, 5.17 MB, 42 pages

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Technical briefing 38: underlying data

Ref: UKHSA publications gateway number GOV-11613

ODS, 319 KB

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

Ref: UKHSA publications gateway number GOV-11462

PDF, 3.78 MB, 31 pages

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Technical briefing 37: underlying data

Ref: UKHSA publications gateway number GOV-11462

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

Ref: UKHSA publications gateway number GOV-11306

PDF, 3.2 MB, 33 pages

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Technical briefing 36: underlying data

Ref: UKHSA publications gateway number GOV-11306

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

Ref: UKHSA publications gateway number GOV-11175

PDF, 5.06 MB, 28 pages

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Technical briefing 35: underlying data

Ref: UKHSA publications gateway number GOV-11175

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

Ref: UKHSA publications gateway number GOV-10924

PDF, 4.77 MB, 36 pages

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Technical briefing 34: underlying data

Ref: UKHSA publications gateway number GOV-10924

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

Ref: UKHSA publications gateway number GOV-10920

PDF, 490 KB, 17 pages

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

Ref: UKHSA publications gateway number GOV-10920

ODS, 5.62 KB

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

Ref: UKHSA publication gateway number GOV-10869

PDF, 5.94 MB, 42 pages

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Technical briefing 33: underlying data

Ref: UKHSA publication gateway number GOV-10738

ODS, 127 KB

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

Ref: UKHSA publications gateway number GOV-10717

PDF, 8.43 MB, 38 pages

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Technical briefing 32: underlying data

Ref: UKHSA publications gateway number GOV-10717

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

Ref: UKHSA publications gateway number GOV-10645

PDF, 7.1 MB, 43 pages

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Technical briefing 31: underlying data

Ref: UKHSA publications gateway number GOV-10645

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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

PDF, 3.44 MB, 8 pages

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Variants of concern Omicron update: underlying data

Ref: UKHSA publications gateway number GOV-10672

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

Ref: UKHSA publications gateway number GOV-10547

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Technical briefing 30: underlying data

Ref: UKHSA publications gateway number GOV-10547

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

Ref: UKHSA publications gateway number GOV-10481

PDF, 7.77 MB, 45 pages

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Technical briefing 29: underlying data

Ref: UKHSA publications gateway number GOV-10481

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

Ref: UKHSA publications gateway number GOV-10349

PDF, 9.59 MB, 52 pages

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Technical briefing 28: underlying data

Ref: UKHSA publications gateway number GOV-10349

MS Excel Spreadsheet, 837 KB

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

Ref: PHE publications gateway number: GOV-10263

PDF, 9.18 MB, 63 pages

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Technical briefing 27: underlying data

Ref: PHE publications gateway number: GOV-10263

MS Excel Spreadsheet, 789 KB

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

Ref: UKHSA publications gateway number GOV-10243

PDF, 2.89 MB, 31 pages

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Technical briefing 26: underlying data

Ref: UKHSA publications gateway number GOV-10243

MS Excel Spreadsheet, 182 KB

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

Ref: UKHSA publications gateway number GOV-10138

PDF, 4.45 MB, 43 pages

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Technical briefing 25: underlying data

Ref: UKHSA publications gateway number GOV-10138

MS Excel Spreadsheet, 622 KB

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

Ref: PHE publications gateway number: GOV-9934

PDF, 4.98 MB, 45 pages

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Technical briefing 24: underlying data

MS Excel Spreadsheet, 525 KB

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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.

Published 1 October 2021
Last updated 22 September 2023 + show all updates

  1. Added technical briefing 55 and underlying data spreadsheet.

  2. Added technical briefing 54 and underlying data spreadsheet.

  3. Corrected table 2 title in technical briefing 53.

  4. Corrected data in table 1 of technical briefing 53.

  5. Added technical briefing 53 and underlying data spreadsheet.

  6. Added technical briefing 52 and underlying data spreadsheet.

  7. Added technical briefing 51 and underlying data spreadsheet.

  8. Corrected section 4.1 of Technical briefing 50.

  9. Added technical briefing 50 and underlying data spreadsheet.

  10. Changed section 5.1 to part 6 in technical briefing 49.

  11. Added technical briefing 49 and underlying data spreadsheet.

  12. Added technical briefing 48 and underlying data spreadsheet.

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

  14. Added latest technical briefing and underlying data.

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

  16. Added latest technical briefing and accompanying data.

  17. Added latest report and underlying data.

  18. Added technical briefing 44 and data spreadsheet.

  19. Updated technical briefing 43 with link to latest risk assessment.

  20. Added latest report and underlying data.

  21. Added latest report and underlying data.

  22. Added latest report and underlying data.

  23. Added latest weekly report and underlying data.

  24. Added latest report and underlying data.

  25. Added latest Technical Briefing and accompanying data.

  26. Added latest technical briefing and underlying data.

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

  28. Added latest technical briefing and underlying data.

  29. Added latest technical briefing and accompanying data.

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

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

  32. Added latest technical briefing and underlying data.

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

  34. Added technical briefing on Omicron and underlying data.

  35. Added technical briefing 33.

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

  37. Added latest Technical Briefing and underlying data.

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

  39. Added Omicron daily overview: 13 December 2021.

  40. Added latest technical briefing and underlying data.

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

  42. Added latest technical briefing and underlying data.

  43. Added latest technical briefing and accompanying data.

  44. Added technical briefing 28 and underlying data.

  45. Added technical briefing 27 and underlying data.

  46. Added technical briefing 26 and underlying data.

  47. Added latest Technical Briefing and underlying data.

  48. First published.

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