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Entry title:

Mpox

Last updated on Thursday, 8 October 2026 at 11:45am

Mpox is an infectious disease caused by the MPXV virus. Historically, mpox was known to occasionally pass on from infected animals to humans, with humans sometimes passing it on to other people that they had close contact with. Since May 2022, cases of human mpox have been reported in multiple countries that have not previously had MPXV detected in animal or human populations.

This page provides updates about mpox clade Ib and clade IIb cases in the UK, and cases where the clade is not yet known. More detailed information is published monthly in the mpox outbreak epidemiological overview.

This page is updated once a month. The next update will be on Thursday 5 November at 09:30am.

Overview

Number of mpox cases in England by month

Monthly figures are shown as the first day of each month in the tabular data view. For example, the figures for January 2023 are shown as at "1 Jan 2023".

Up to and including month commencing 1 Sep 2026

ChartThere are 3 plots on this chart. The horizontal X-axis is labelled 'date'. Whilst the vertical Y-axis is labelled 'metric'. This is plot number 1 on this chart. This is a dark blue stacked bar chart. The plot has a label of 'Clade IIb'. This plot shows data for mpox. Specifically the metric 'mpox_cases_countByMonth' for the England area, along with the age banding of 'all' for the gender group of all. This plot shows data from 01 January 2023 to 01 September 2026. It rose from 1.0 on 01 January 2023 to 11.0 on 01 August 2023. It fell from 22.0 on 01 September 2023 to 19.0 on 01 April 2024. It rose from 21.0 on 01 May 2024 to 26.0 on 01 November 2024. It fell from 22.0 on 01 December 2024 to 17.0 on 01 June 2025. It rose from 16.0 on 01 July 2025 to 46.0 on 01 January 2026. And finally. It fell from 97.0 on 01 February 2026 to 3.0 on 01 September 2026. This is plot number 2 on this chart. This is a turquoise stacked bar chart. The plot has a label of 'Clade Ib'. This plot shows data for mpox. Specifically the metric 'mpox_cases_countByMonth' for the England area, along with the age banding of 'all' for the gender group of all. This plot shows data from 01 October 2024 to 01 September 2026. The date fluctuates between 1.0 on 01 October 2024, ending with the same value on 01 February 2025. It rose from 1.0 on 01 March 2025 to 2.0 on 01 June 2025. It rose from 1.0 on 01 July 2025 to 2.0 on 01 December 2025. It rose from 2.0 on 01 January 2026 to 7.0 on 01 March 2026. It rose from 3.0 on 01 April 2026 to 10.0 on 01 June 2026. And finally. It rose from 19.0 on 01 July 2026 to 46.0 on 01 September 2026. This is plot number 3 on this chart. This is a mid grey stacked bar chart. The plot has a label of 'Clade not known'. This plot shows data for mpox. Specifically the metric 'mpox_cases_countByMonth' for the England area, along with the age banding of 'all' for the gender group of all. This plot shows data from 01 April 2025 to 01 September 2026. It fell from 3.0 on 01 April 2025 to 1.0 on 01 September 2025. It rose from 1.0 on 01 October 2025 to 3.0 on 01 December 2025. It fell from 10.0 on 01 January 2026 to 7.0 on 01 March 2026. It fell from 9.0 on 01 April 2026 to 8.0 on 01 May 2026. The date fluctuates between 3.0 on 01 June 2026, ending with the same value on 01 July 2026. And finally. It rose from 6.0 on 01 August 2026 to 19.0 on 01 September 2026. There is no reporting delay period being tracked for the data on this chart. - Refer to tabular data.
Tabular data

Number of mpox cases in England by month data for monthly figures are shown as the first day of each month in the tabular data view. For example, the figures for January 2023 are shown as at "1 Jan 2023".

Up to and including month commencing 1 Sep 2026

Reference Clade IIb
1 Sep 20263.00
1 Aug 2026-
1 Jul 20262.00
1 Jun 202610.00
1 May 202615.00
1 Apr 202637.00
1 Mar 202659.00
1 Feb 202697.00
1 Jan 202646.00
1 Dec 202518.00
1 Nov 202542.00
1 Oct 202521.00
1 Sep 202516.00
1 Aug 202513.00
1 Jul 202516.00
1 Jun 202517.00
1 May 202523.00
1 Apr 202522.00
1 Mar 202520.00
1 Feb 202510.00
1 Jan 202513.00
1 Dec 202422.00
1 Nov 202426.00
1 Oct 202410.00
1 Sep 202439.00
1 Aug 202440.00
1 Jul 202440.00
1 Jun 202420.00
1 May 202421.00
1 Apr 202419.00
1 Mar 202414.00
1 Feb 202410.00
1 Jan 20247.00
1 Dec 20237.00
1 Nov 202331.00
1 Oct 202325.00
1 Sep 202322.00
1 Aug 202311.00
1 Jul 202312.00
1 Jun 20238.00
1 May 202310.00
1 Apr 20232.00
1 Mar 20233.00
1 Feb 20235.00
1 Jan 20231.00
Reference Clade Ib
1 Sep 202646.00
1 Aug 202640.00
1 Jul 202619.00
1 Jun 202610.00
1 May 202616.00
1 Apr 20263.00
1 Mar 20267.00
1 Feb 202611.00
1 Jan 20262.00
1 Dec 20252.00
1 Nov 2025-
1 Oct 2025-
1 Sep 2025-
1 Aug 20251.00
1 Jul 20251.00
1 Jun 20252.00
1 May 2025-
1 Apr 20251.00
1 Mar 20251.00
1 Feb 20251.00
1 Jan 20254.00
1 Dec 2024-
1 Nov 20244.00
1 Oct 20241.00
1 Sep 2024-
1 Aug 2024-
1 Jul 2024-
1 Jun 2024-
1 May 2024-
1 Apr 2024-
1 Mar 2024-
1 Feb 2024-
1 Jan 2024-
1 Dec 2023-
1 Nov 2023-
1 Oct 2023-
1 Sep 2023-
1 Aug 2023-
1 Jul 2023-
1 Jun 2023-
1 May 2023-
1 Apr 2023-
1 Mar 2023-
1 Feb 2023-
1 Jan 2023-
Reference Clade not known
1 Sep 202619.00
1 Aug 20266.00
1 Jul 20263.00
1 Jun 20263.00
1 May 20268.00
1 Apr 20269.00
1 Mar 20267.00
1 Feb 202614.00
1 Jan 202610.00
1 Dec 20253.00
1 Nov 20253.00
1 Oct 20251.00
1 Sep 20251.00
1 Aug 2025-
1 Jul 20251.00
1 Jun 2025-
1 May 2025-
1 Apr 20253.00
1 Mar 2025-
1 Feb 2025-
1 Jan 2025-
1 Dec 2024-
1 Nov 2024-
1 Oct 2024-
1 Sep 2024-
1 Aug 2024-
1 Jul 2024-
1 Jun 2024-
1 May 2024-
1 Apr 2024-
1 Mar 2024-
1 Feb 2024-
1 Jan 2024-
1 Dec 2023-
1 Nov 2023-
1 Oct 2023-
1 Sep 2023-
1 Aug 2023-
1 Jul 2023-
1 Jun 2023-
1 May 2023-
1 Apr 2023-
1 Mar 2023-
1 Feb 2023-
1 Jan 2023-
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mpox clade Ib

England

Up to 30 Sep 2026
172

Wales

Up to 30 Sep 2026
8

Scotland

Up to 30 Sep 2026
15

Northern Ireland

Up to 30 Sep 2026
31

mpox clade IIb

England

Up to 30 Sep 2026
905

Wales

Up to 30 Sep 2026
21

Scotland

Up to 30 Sep 2026
36

Northern Ireland

Up to 30 Sep 2026
10

mpox clade not yet known

England

Up to 30 Sep 2026
91

Wales

Up to 30 Sep 2026
0

Scotland

Up to 30 Sep 2026
2

Northern Ireland

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