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Research and analysis

Risk assessment: airborne introduction of bluetongue virus

These weekly reports describe the risk of entry of bluetongue virus (BTV)- or epizootic haemorrhagic disease virus (EHDV)-infected midges into Great Britain.

Updates to this page

From:
Animal and Plant Health Agency and Met Office
Published:
25 June 2024
Last updated:
28 August 2025
Show all updates

  1. We have added the 6 to 19 August 2025 risk assessment.

  2. We have added the 23 July to 5 August 2025 risk assessment.

  3. We have added the 9 to 22 July 2025 risk assessment.

  4. We have added the 25 June to 8 July risk assessment.

  5. Added the 11 to 24 June 2025 risk assessment.

  6. Added the 28 May to 10 June 2025 risk assessment.

  7. We have added the 14 May to 27 May risk assessment.

  8. Added the 30 April to 13 May 2025 risk assessment.

  9. Added the 11 to 17 December 2024 risk assessment.

  10. Added the 4 to 10 December 2024 risk assessment.

  11. Risk of airborne introduction of BTV and EHDV to Great Britain from the near Continent from 26 November to 4 December 2024 added.

  12. Added the 20 to 26 November 2024 risk assessment.

  13. Added the 13 to 19 November 2024 risk assessment.

  14. Added the 6 to 12 November 2024 risk assessment.

  15. Added the 30 October to 5 November 2024 risk assessment.

  16. Added the 23 to 29 October 2024 risk assessment.

  17. Added the 16 to 22 October 2024 risk assessment.

  18. Added 9 to 15 October 2024 risk assessment.

  19. Added the latest risk assessment.

  20. Uploaded the 25 September to 1 October 2024 risk assessment.

  21. Uploaded '18 to 24 September 2024: Risk of airborne introduction of BTV and EHDV to Great Britain from the near Continent'

  22. Added 11 to 17 September 2024 risk assessment.

  23. Uploaded pdf attachment '4 to 10 September 2024: Risk of airborne introduction of BTV and EHDV to Great Britain from the near Continent'

  24. Added 28 August to 3 September 2024 risk assessment.

  25. Updated the 14 to 20 August 2024 risk assessment. Added the 21 to 27 August 2024 risk assessment.

  26. Added '7 to 13 August 2024 risk assessment'

  27. Updated the 7 to 13 August 2024 risk assessment.

  28. Added 7 to 13 August 2024 risk assessment.

  29. Added 31 July to 6 August 2024 risk assessment.

  30. Added risk assessment for 24 to 30 July 2024.

  31. Added 17 to 23 July risk assessment.

  32. Added 10 to 16 July risk assessment.

  33. Added 3 July to 9 July 2024 risk assessment.

  34. Amended PDF titles for accessibility, and added 26 June to 2 July 2024 risk assessment.

  35. Added 19 to 25 June 2024 risk assessment.

  36. First published.

Documents

6 to 19 August 2025: Risk of airborne introduction of BTV and EHDV to Great Britain from the near Continent

PDF, 606 KB, 27 pages

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23 July to 5 August 2025: Risk of airborne introduction of BTV and EHDV to Great Britain from the near Continent

PDF, 596 KB, 28 pages

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9 to 22 July 2025: Risk of airborne introduction of BTV and EHDV to Great Britain from the near Continent

PDF, 655 KB, 17 pages

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25 June to 8 July 2025: Risk of airborne introduction of BTV and EHDV to Great Britain from the near Continent

PDF, 603 KB, 17 pages

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11 to 24 June 2025: Risk of airborne introduction of BTV and EHDV to Great Britain from the near Continent

PDF, 597 KB, 18 pages

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28 May to 10 June 2025: Risk of airborne introduction of BTV and EHDV to Great Britain from the near Continent

PDF, 678 KB, 14 pages

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14 May to 27 May 2025: Risk of airborne introduction of BTV and EHDV to Great Britain from the near Continent

PDF, 730 KB, 16 pages

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30 April to 13 May 2025: Risk of airborne introduction of BTV and EHDV to Great Britain from the near Continent

PDF, 664 KB, 13 pages

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11 to 17 December 2024: Risk of airborne introduction of BTV and EHDV to Great Britain from the near Continent

PDF, 655 KB, 11 pages

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4 to 10 December 2024: Risk of airborne introduction of BTV and EHDV to Great Britain from the near Continent

PDF, 643 KB, 11 pages

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27 November to 4 December 2024: Risk of airborne introduction of BTV and EHDV to Great Britain from the near Continent

PDF, 603 KB, 11 pages

20 to 26 November 2024: Risk of airborne introduction of BTV and EHDV to Great Britain from the near Continent

PDF, 661 KB, 11 pages

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9 to 15 October 2024: Risk of airborne introduction of BTV and EHDV to Great Britain from the near Continent

PDF, 724 KB, 13 pages

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13 to 19 November 2024: Risk of airborne introduction of BTV and EHDV to Great Britain from the near Continent

PDF, 647 KB, 11 pages

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6 to 12 November 2024: Risk of airborne introduction of BTV and EHDV to Great Britain from the near Continent

PDF, 655 KB, 13 pages

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30 October to 5 November 2024: Risk of airborne introduction of BTV and EHDV to Great Britain from the near Continent

PDF, 649 KB, 13 pages

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23 to 29 October 2024: Risk of airborne introduction of BTV and EHDV to Great Britain from the near Continent

PDF, 651 KB, 13 pages

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16 to 22 October 2024: Risk of airborne introduction of BTV and EHDV to Great Britain from the near Continent

PDF, 647 KB, 12 pages

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2 to 8 October 2024: Risk of airborne introduction of BTV and EHDV to Great Britain from the near Continent

PDF, 663 KB, 12 pages

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25 September to 1 October 2024: Risk of airborne introduction of BTV and EHDV to Great Britain from the near Continent

PDF, 666 KB, 12 pages

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18 to 24 September 2024: Risk of airborne introduction of BTV and EHDV to Great Britain from the near Continent

PDF, 644 KB, 12 pages

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11 to 17 September 2024: Risk of airborne introduction of BTV and EHDV to Great Britain from the near Continent

PDF, 658 KB, 11 pages

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4 to 10 September 2024: Risk of airborne introduction of BTV and EHDV to Great Britain from the near Continent

PDF, 646 KB, 12 pages

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28 August to 3 September 2024: Risk of airborne introduction of BTV and EHDV to Great Britain from the near Continent

PDF, 602 KB

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21 to 27 August 2024: Risk of airborne introduction of BTV and EHDV to Great Britain from the near Continent

PDF, 652 KB, 11 pages

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24 to 30 July 2024: Risk of airborne introduction of BTV and EHDV to Great Britain from the near Continent

PDF, 598 KB

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14 to 20 August 2024: Risk of airborne introduction of BTV and EHDV to Great Britain from the near Continent

PDF, 648 KB, 10 pages

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7 to 13 August 2024: Risk of airborne introduction of BTV and EHDV to Great Britain from the near Continent

PDF, 601 KB

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31 July to 6 August 2024: Risk of airborne introduction of BTV and EHDV to Great Britain from the near Continent

PDF, 598 KB

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17 to 23 July 2024: Risk of airborne introduction of BTV and EHDV to Great Britain from the near Continent

PDF, 652 KB, 12 pages

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10 to 16 July 2024: Risk of airborne introduction of BTV and EHDV to Great Britain from the near Continent

PDF, 598 KB

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3 July to 9 July 2024: Risk of airborne introduction of BTV and EHDV to Great Britain from the near Continent

PDF, 595 KB

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26 June to 2 July 2024: Risk of airborne introduction of BTV and EHDV to Great Britain from the near Continent

PDF, 590 KB

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19 to 25 June 2024: Risk of airborne introduction of BTV and EHDV to Great Britain from the near Continent

PDF, 589 KB

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12 to 18 June 2024: Risk of airborne introduction of BTV and EHDV to Great Britain from the near Continent

PDF, 588 KB

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Details

These weekly reports describe the retrospective risk of entry of bluetongue virus (BTV)- or epizootic haemorrhagic disease virus (EHDV)-infected midges into Great Britain from the near Continent over the time period in question.

Each report only considers the risk over this particular time period and not the risk over any previous or subsequent periods.

These reports are produced by APHA, the Met Office and The Pirbright Institute.

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