Research and analysis

Shiga toxin-producing Escherichia coli (STEC): annual totals

The number of infections of Shiga-toxin producing Escherichia coli (STEC) reported in England and Wales for 2019 and 2020, and England only from 2021 onwards.

• From: UK Health Security Agency
• Published: 1 December 2013
• Last updated: 23 July 2026
  Show all updates

  1. 23 July 2026

     Added report for 2025.

  2. 30 July 2025

     Added report for 2024.

  3. 1 July 2025

     In Main points section, point 2, corrected 755 to 775 faecal specimens, and increase of 13% to increase of 14%.

  4. 26 June 2025

     Added 2023 report.

  5. 15 May 2025

     Update to Figure 7 and minor edit to 'Main points' section in the 2020 report. Update to Figures 3, 7, 10 and 11 and a minor edit to the 'Age, gender and seasonality of STEC O157 cases' section in the 2021 report.

  6. 8 May 2025

     Added 2022 report.

  7. 13 March 2025

     Amended version of Figure 8 in the 2021 report.

  8. 27 January 2025

     Minor corrections: renumbering references to, and titles of, graphs.

  9. 26 April 2024

     Total number of cases, and further number of specimens, amended to 1,151 and 448, respectively.

  10. 18 April 2024

      Added 2021 report.

  11. 15 June 2023

      Added 2020 report.

  12. 5 April 2022

      Added 2019 report and a link to Public Health England reports.

  13. 2 February 2020

      Added National Enhanced Surveillance System for STEC: 2018 and Full list of non-O157 serogroups: 2018.

  14. 30 January 2019

      Added: 'Shiga toxin-producing Escherichia coli (STEC) data: 2017' and 'Full list of non-O157 serogroups: 2017'.

  15. 20 July 2018

      Uploaded: 'Shiga toxin-producing Escherichia coli (STEC) O157 data: 2006 to 2016'

  16. 28 June 2017

      Added VTEC O157 2006 to 2015 data, and updated E. coli O157 totals for 2010 and 2012.

  17. 1 December 2013

      First published.

Applies to England and Wales

Documents

Shiga toxin-producing Escherichia coli (STEC) data: 2025

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Shiga toxin-producing Escherichia coli (STEC) data: 2024

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Shiga toxin-producing Escherichia coli (STEC) data: 2023

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Shiga toxin-producing Escherichia coli (STEC) data: 2022

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Shiga toxin-producing Escherichia coli (STEC) data: 2021

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Shiga toxin-producing Escherichia coli (STEC) data: 2020

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Shiga toxin-producing Escherichia coli (STEC) data: 2019

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Details

These annual reports include laboratory data for Shiga toxin-producing Escherichia coli (STEC) O157 and non-O157 STEC reports in England only from 2021 onwards, and England and Wales in 2019 and 2020. The data is summarised by year, region, age and sex distribution and seasonal trend. STEC O157 and non-O157 outbreak data is also included.