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

HTML

Technical briefing 55: underlying data

Ref: UKHSA publication gateway number GOV-15466

ODS, 36.9 KB

This file is in an OpenDocument format

This file may not be suitable for users of assistive technology.

Request an accessible format.

If you use assistive technology (such as a screen reader) and need a version of this document in a more accessible format, please email [email protected]. Please tell us what format you need. It will help us if you say what assistive technology you use.

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

HTML

Technical briefing 54: underlying data

Ref: UKHSA publication gateway number GOV-15421

ODS, 45.2 KB

This file is in an OpenDocument format

This file may not be suitable for users of assistive technology.

Request an accessible format.

If you use assistive technology (such as a screen reader) and need a version of this document in a more accessible format, please email [email protected]. Please tell us what format you need. It will help us if you say what assistive technology you use.

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

HTML

Technical briefing 53: underlying data

Ref: UKHSA publication gateway number GOV-15372

ODS, 39.3 KB

This file is in an OpenDocument format

This file may not be suitable for users of assistive technology.

Request an accessible format.

If you use assistive technology (such as a screen reader) and need a version of this document in a more accessible format, please email [email protected]. Please tell us what format you need. It will help us if you say what assistive technology you use.

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

This file may not be suitable for users of assistive technology.

Request an accessible format.

If you use assistive technology (such as a screen reader) and need a version of this document in a more accessible format, please email [email protected]. Please tell us what format you need. It will help us if you say what assistive technology you use.

Technical briefing 52: underlying data

Ref: UKHSA publication gateway number GOV-14579

ODS, 86.2 KB

This file is in an OpenDocument format

This file may not be suitable for users of assistive technology.

Request an accessible format.

If you use assistive technology (such as a screen reader) and need a version of this document in a more accessible format, please email [email protected]. Please tell us what format you need. It will help us if you say what assistive technology you use.

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

This file may not be suitable for users of assistive technology.

Request an accessible format.

If you use assistive technology (such as a screen reader) and need a version of this document in a more accessible format, please email [email protected]. Please tell us what format you need. It will help us if you say what assistive technology you use.

Technical briefing 51: underlying data

Ref: UKHSA publication gateway number GOV-14349

ODS, 135 KB

This file is in an OpenDocument format

This file may not be suitable for users of assistive technology.

Request an accessible format.

If you use assistive technology (such as a screen reader) and need a version of this document in a more accessible format, please email [email protected]. Please tell us what format you need. It will help us if you say what assistive technology you use.

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

This file may not be suitable for users of assistive technology.

Request an accessible format.

If you use assistive technology (such as a screen reader) and need a version of this document in a more accessible format, please email [email protected]. Please tell us what format you need. It will help us if you say what assistive technology you use.

Technical briefing 50: underlying data

Ref: UKHSA publication gateway number GOV-14185

ODS, 170 KB

This file is in an OpenDocument format

This file may not be suitable for users of assistive technology.

Request an accessible format.

If you use assistive technology (such as a screen reader) and need a version of this document in a more accessible format, please email [email protected]. Please tell us what format you need. It will help us if you say what assistive technology you use.

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

This file may not be suitable for users of assistive technology.

Request an accessible format.

If you use assistive technology (such as a screen reader) and need a version of this document in a more accessible format, please email [email protected]. Please tell us what format you need. It will help us if you say what assistive technology you use.

Technical briefing 49: underlying data

Ref: UKHSA publication gateway number GOV-13991

ODS, 176 KB

This file is in an OpenDocument format

This file may not be suitable for users of assistive technology.

Request an accessible format.

If you use assistive technology (such as a screen reader) and need a version of this document in a more accessible format, please email [email protected]. Please tell us what format you need. It will help us if you say what assistive technology you use.

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

This file may not be suitable for users of assistive technology.

Request an accessible format.

If you use assistive technology (such as a screen reader) and need a version of this document in a more accessible format, please email [email protected]. Please tell us what format you need. It will help us if you say what assistive technology you use.

Technical briefing 48: underlying data

Ref: UKHSA publication gateway number GOV-13696

ODS, 461 KB

This file is in an OpenDocument format

This file may not be suitable for users of assistive technology.

Request an accessible format.

If you use assistive technology (such as a screen reader) and need a version of this document in a more accessible format, please email [email protected]. Please tell us what format you need. It will help us if you say what assistive technology you use.

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

This file may not be suitable for users of assistive technology.

Request an accessible format.

If you use assistive technology (such as a screen reader) and need a version of this document in a more accessible format, please email [email protected]. Please tell us what format you need. It will help us if you say what assistive technology you use.

Technical briefing 47: underlying data

Ref: UKHSA publications gateway number GOV-13512

ODS, 425 KB

This file is in an OpenDocument format

This file may not be suitable for users of assistive technology.

Request an accessible format.

If you use assistive technology (such as a screen reader) and need a version of this document in a more accessible format, please email [email protected]. Please tell us what format you need. It will help us if you say what assistive technology you use.

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

This file may not be suitable for users of assistive technology.

Request an accessible format.

If you use assistive technology (such as a screen reader) and need a version of this document in a more accessible format, please email [email protected]. Please tell us what format you need. It will help us if you say what assistive technology you use.

Technical briefing 46: underlying data

Ref: UKHSA publications gateway number GOV-13388

ODS, 450 KB

This file is in an OpenDocument format

This file may not be suitable for users of assistive technology.

Request an accessible format.

If you use assistive technology (such as a screen reader) and need a version of this document in a more accessible format, please email [email protected]. Please tell us what format you need. It will help us if you say what assistive technology you use.

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

This file may not be suitable for users of assistive technology.

Request an accessible format.

If you use assistive technology (such as a screen reader) and need a version of this document in a more accessible format, please email [email protected]. Please tell us what format you need. It will help us if you say what assistive technology you use.

Technical briefing 45: underlying data

Ref: UKHSA publications gateway number GOV-13235

ODS, 377 KB

This file is in an OpenDocument format

This file may not be suitable for users of assistive technology.

Request an accessible format.

If you use assistive technology (such as a screen reader) and need a version of this document in a more accessible format, please email [email protected]. Please tell us what format you need. It will help us if you say what assistive technology you use.

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

This file may not be suitable for users of assistive technology.

Request an accessible format.

If you use assistive technology (such as a screen reader) and need a version of this document in a more accessible format, please email [email protected]. Please tell us what format you need. It will help us if you say what assistive technology you use.

Technical briefing 44: underlying data

Ref: UKHSA publication gateway number GOV-12795

ODS, 313 KB

This file is in an OpenDocument format

This file may not be suitable for users of assistive technology.

Request an accessible format.

If you use assistive technology (such as a screen reader) and need a version of this document in a more accessible format, please email [email protected]. Please tell us what format you need. It will help us if you say what assistive technology you use.

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

This file may not be suitable for users of assistive technology.

Request an accessible format.

If you use assistive technology (such as a screen reader) and need a version of this document in a more accessible format, please email [email protected]. Please tell us what format you need. It will help us if you say what assistive technology you use.

Technical briefing 43: underlying data

Ref: UKHSA publications gateway number GOV-12559

ODS, 334 KB

This file is in an OpenDocument format

This file may not be suitable for users of assistive technology.

Request an accessible format.

If you use assistive technology (such as a screen reader) and need a version of this document in a more accessible format, please email [email protected]. Please tell us what format you need. It will help us if you say what assistive technology you use.

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

This file may not be suitable for users of assistive technology.

Request an accessible format.

If you use assistive technology (such as a screen reader) and need a version of this document in a more accessible format, please email [email protected]. Please tell us what format you need. It will help us if you say what assistive technology you use.

Technical briefing 42: underlying data

Ref: UKHSA publications gateway number GOV-12276

ODS, 571 KB

This file is in an OpenDocument format

This file may not be suitable for users of assistive technology.

Request an accessible format.

If you use assistive technology (such as a screen reader) and need a version of this document in a more accessible format, please email [email protected]. Please tell us what format you need. It will help us if you say what assistive technology you use.

Technical briefing 41: underlying data

Ref: UKHSA publications gateway number GOV-12156

ODS, 544 KB

This file is in an OpenDocument format

This file may not be suitable for users of assistive technology.

Request an accessible format.

If you use assistive technology (such as a screen reader) and need a version of this document in a more accessible format, please email [email protected]. Please tell us what format you need. It will help us if you say what assistive technology you use.

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

This file may not be suitable for users of assistive technology.

Request an accessible format.

If you use assistive technology (such as a screen reader) and need a version of this document in a more accessible format, please email [email protected]. Please tell us what format you need. It will help us if you say what assistive technology you use.

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

This file may not be suitable for users of assistive technology.

Request an accessible format.

If you use assistive technology (such as a screen reader) and need a version of this document in a more accessible format, please email [email protected]. Please tell us what format you need. It will help us if you say what assistive technology you use.

Technical briefing 40: underlying data

Ref: UKHSA publications gateway number GOV-11916

ODS, 630 KB

This file is in an OpenDocument format

This file may not be suitable for users of assistive technology.

Request an accessible format.

If you use assistive technology (such as a screen reader) and need a version of this document in a more accessible format, please email [email protected]. Please tell us what format you need. It will help us if you say what assistive technology you use.

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

This file may not be suitable for users of assistive technology.

Request an accessible format.

If you use assistive technology (such as a screen reader) and need a version of this document in a more accessible format, please email [email protected]. Please tell us what format you need. It will help us if you say what assistive technology you use.

Technical briefing 39: underlying data

Ref: UKHSA publications gateway number GOV-11753

ODS, 304 KB

This file is in an OpenDocument format

This file may not be suitable for users of assistive technology.

Request an accessible format.

If you use assistive technology (such as a screen reader) and need a version of this document in a more accessible format, please email [email protected]. Please tell us what format you need. It will help us if you say what assistive technology you use.

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

This file may not be suitable for users of assistive technology.

Request an accessible format.

If you use assistive technology (such as a screen reader) and need a version of this document in a more accessible format, please email [email protected]. Please tell us what format you need. It will help us if you say what assistive technology you use.

Technical briefing 38: underlying data

Ref: UKHSA publications gateway number GOV-11613

ODS, 319 KB

This file is in an OpenDocument format

This file may not be suitable for users of assistive technology.

Request an accessible format.

If you use assistive technology (such as a screen reader) and need a version of this document in a more accessible format, please email [email protected]. Please tell us what format you need. It will help us if you say what assistive technology you use.

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

This file may not be suitable for users of assistive technology.

Request an accessible format.

If you use assistive technology (such as a screen reader) and need a version of this document in a more accessible format, please email [email protected]. Please tell us what format you need. It will help us if you say what assistive technology you use.

Technical briefing 37: underlying data

Ref: UKHSA publications gateway number GOV-11462

ODS, 233 KB

This file is in an OpenDocument format

This file may not be suitable for users of assistive technology.

Request an accessible format.

If you use assistive technology (such as a screen reader) and need a version of this document in a more accessible format, please email [email protected]. Please tell us what format you need. It will help us if you say what assistive technology you use.

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

This file may not be suitable for users of assistive technology.

Request an accessible format.

If you use assistive technology (such as a screen reader) and need a version of this document in a more accessible format, please email [email protected]. Please tell us what format you need. It will help us if you say what assistive technology you use.

Technical briefing 36: underlying data

Ref: UKHSA publications gateway number GOV-11306

ODS, 266 KB

This file is in an OpenDocument format

This file may not be suitable for users of assistive technology.

Request an accessible format.

If you use assistive technology (such as a screen reader) and need a version of this document in a more accessible format, please email [email protected]. Please tell us what format you need. It will help us if you say what assistive technology you use.

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

This file may not be suitable for users of assistive technology.

Request an accessible format.

If you use assistive technology (such as a screen reader) and need a version of this document in a more accessible format, please email [email protected]. Please tell us what format you need. It will help us if you say what assistive technology you use.

Technical briefing 35: underlying data

Ref: UKHSA publications gateway number GOV-11175

ODS, 199 KB

This file is in an OpenDocument format

This file may not be suitable for users of assistive technology.

Request an accessible format.

If you use assistive technology (such as a screen reader) and need a version of this document in a more accessible format, please email [email protected]. Please tell us what format you need. It will help us if you say what assistive technology you use.

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

This file may not be suitable for users of assistive technology.

Request an accessible format.

If you use assistive technology (such as a screen reader) and need a version of this document in a more accessible format, please email [email protected]. Please tell us what format you need. It will help us if you say what assistive technology you use.

Technical briefing 34: underlying data

Ref: UKHSA publications gateway number GOV-10924

ODS, 92 KB

This file is in an OpenDocument format

This file may not be suitable for users of assistive technology.

Request an accessible format.

If you use assistive technology (such as a screen reader) and need a version of this document in a more accessible format, please email [email protected]. Please tell us what format you need. It will help us if you say what assistive technology you use.

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

This file may not be suitable for users of assistive technology.

Request an accessible format.

If you use assistive technology (such as a screen reader) and need a version of this document in a more accessible format, please email [email protected]. Please tell us what format you need. It will help us if you say what assistive technology you use.

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

Ref: UKHSA publications gateway number GOV-10920

ODS, 5.62 KB

This file is in an OpenDocument format

This file may not be suitable for users of assistive technology.

Request an accessible format.

If you use assistive technology (such as a screen reader) and need a version of this document in a more accessible format, please email [email protected]. Please tell us what format you need. It will help us if you say what assistive technology you use.

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

This file may not be suitable for users of assistive technology.

Request an accessible format.

If you use assistive technology (such as a screen reader) and need a version of this document in a more accessible format, please email [email protected]. Please tell us what format you need. It will help us if you say what assistive technology you use.

Technical briefing 33: underlying data

Ref: UKHSA publication gateway number GOV-10738

ODS, 127 KB

This file is in an OpenDocument format

This file may not be suitable for users of assistive technology.

Request an accessible format.

If you use assistive technology (such as a screen reader) and need a version of this document in a more accessible format, please email [email protected]. Please tell us what format you need. It will help us if you say what assistive technology you use.

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

This file may not be suitable for users of assistive technology.

Request an accessible format.

If you use assistive technology (such as a screen reader) and need a version of this document in a more accessible format, please email [email protected]. Please tell us what format you need. It will help us if you say what assistive technology you use.

Technical briefing 32: underlying data

Ref: UKHSA publications gateway number GOV-10717

ODS, 87.3 KB

This file is in an OpenDocument format

This file may not be suitable for users of assistive technology.

Request an accessible format.

If you use assistive technology (such as a screen reader) and need a version of this document in a more accessible format, please email [email protected]. Please tell us what format you need. It will help us if you say what assistive technology you use.

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

This file may not be suitable for users of assistive technology.

Request an accessible format.

If you use assistive technology (such as a screen reader) and need a version of this document in a more accessible format, please email [email protected]. Please tell us what format you need. It will help us if you say what assistive technology you use.

Technical briefing 31: underlying data

Ref: UKHSA publications gateway number GOV-10645

MS Excel Spreadsheet, 271 KB

This file may not be suitable for users of assistive technology.

Request an accessible format.

If you use assistive technology (such as a screen reader) and need a version of this document in a more accessible format, please email [email protected]. Please tell us what format you need. It will help us if you say what assistive technology you use.

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

This file may not be suitable for users of assistive technology.

Request an accessible format.

If you use assistive technology (such as a screen reader) and need a version of this document in a more accessible format, please email [email protected]. Please tell us what format you need. It will help us if you say what assistive technology you use.

Variants of concern Omicron update: underlying data

Ref: UKHSA publications gateway number GOV-10672

MS Excel Spreadsheet, 48 KB

This file may not be suitable for users of assistive technology.

Request an accessible format.

If you use assistive technology (such as a screen reader) and need a version of this document in a more accessible format, please email [email protected]. Please tell us what format you need. It will help us if you say what assistive technology you use.

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

Ref: UKHSA publications gateway number GOV-10547

PDF, 6.68 MB, 40 pages

This file may not be suitable for users of assistive technology.

Request an accessible format.

If you use assistive technology (such as a screen reader) and need a version of this document in a more accessible format, please email [email protected]. Please tell us what format you need. It will help us if you say what assistive technology you use.

Technical briefing 30: underlying data

Ref: UKHSA publications gateway number GOV-10547

ODS, 103 KB

This file is in an OpenDocument format

This file may not be suitable for users of assistive technology.

Request an accessible format.

If you use assistive technology (such as a screen reader) and need a version of this document in a more accessible format, please email [email protected]. Please tell us what format you need. It will help us if you say what assistive technology you use.

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

This file may not be suitable for users of assistive technology.

Request an accessible format.

If you use assistive technology (such as a screen reader) and need a version of this document in a more accessible format, please email [email protected]. Please tell us what format you need. It will help us if you say what assistive technology you use.

Technical briefing 29: underlying data

Ref: UKHSA publications gateway number GOV-10481

ODS, 508 KB

This file is in an OpenDocument format

This file may not be suitable for users of assistive technology.

Request an accessible format.

If you use assistive technology (such as a screen reader) and need a version of this document in a more accessible format, please email [email protected]. Please tell us what format you need. It will help us if you say what assistive technology you use.

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

This file may not be suitable for users of assistive technology.

Request an accessible format.

If you use assistive technology (such as a screen reader) and need a version of this document in a more accessible format, please email [email protected]. Please tell us what format you need. It will help us if you say what assistive technology you use.

Technical briefing 28: underlying data

Ref: UKHSA publications gateway number GOV-10349

MS Excel Spreadsheet, 837 KB

This file may not be suitable for users of assistive technology.

Request an accessible format.

If you use assistive technology (such as a screen reader) and need a version of this document in a more accessible format, please email [email protected]. Please tell us what format you need. It will help us if you say what assistive technology you use.

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

This file may not be suitable for users of assistive technology.

Request an accessible format.

If you use assistive technology (such as a screen reader) and need a version of this document in a more accessible format, please email [email protected]. Please tell us what format you need. It will help us if you say what assistive technology you use.

Technical briefing 27: underlying data

Ref: PHE publications gateway number: GOV-10263

MS Excel Spreadsheet, 789 KB

This file may not be suitable for users of assistive technology.

Request an accessible format.

If you use assistive technology (such as a screen reader) and need a version of this document in a more accessible format, please email [email protected]. Please tell us what format you need. It will help us if you say what assistive technology you use.

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

This file may not be suitable for users of assistive technology.

Request an accessible format.

If you use assistive technology (such as a screen reader) and need a version of this document in a more accessible format, please email [email protected]. Please tell us what format you need. It will help us if you say what assistive technology you use.

Technical briefing 26: underlying data

Ref: UKHSA publications gateway number GOV-10243

MS Excel Spreadsheet, 182 KB

This file may not be suitable for users of assistive technology.

Request an accessible format.

If you use assistive technology (such as a screen reader) and need a version of this document in a more accessible format, please email [email protected]. Please tell us what format you need. It will help us if you say what assistive technology you use.

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

This file may not be suitable for users of assistive technology.

Request an accessible format.

If you use assistive technology (such as a screen reader) and need a version of this document in a more accessible format, please email [email protected]. Please tell us what format you need. It will help us if you say what assistive technology you use.

Technical briefing 25: underlying data

Ref: UKHSA publications gateway number GOV-10138

MS Excel Spreadsheet, 622 KB

This file may not be suitable for users of assistive technology.

Request an accessible format.

If you use assistive technology (such as a screen reader) and need a version of this document in a more accessible format, please email [email protected]. Please tell us what format you need. It will help us if you say what assistive technology you use.

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

This file may not be suitable for users of assistive technology.

Request an accessible format.

If you use assistive technology (such as a screen reader) and need a version of this document in a more accessible format, please email [email protected]. Please tell us what format you need. It will help us if you say what assistive technology you use.

Technical briefing 24: underlying data

MS Excel Spreadsheet, 525 KB

This file may not be suitable for users of assistive technology.

Request an accessible format.

If you use assistive technology (such as a screen reader) and need a version of this document in a more accessible format, please email [email protected]. Please tell us what format you need. It will help us if you say what assistive technology you use.

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. 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.