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Entry title:

Mpox

Last updated on Thursday, 10 September 2026 at 09:55am

Information
Methodology change

Clade IIb numbers presented here differ from the more detailed monthly mpox report. Please see the clade IIb section for more information. Work is underway to harmonise the two outputs for the next release on 8 October 2026.

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. 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 8 October at 09:30am.

mpox clade Ib

England

Up to 31 Aug 2026
121

Wales

Up to 31 Aug 2026
6

Scotland

Up to 31 Aug 2026
11

Northern Ireland

Up to 31 Aug 2026
30

Number of mpox clade Ib 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 Aug 2026

ChartThere is only 1 plot on this chart. The horizontal X-axis is labelled 'date'. Whilst the vertical Y-axis is labelled 'metric'. This is a dark blue solid bar plot. This plot shows data for mpox-clade-1b. Specifically the metric 'mpox-clade-1b_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 August 2026. It rose from 1.0 on 01 October 2024 to 4.0 on 01 January 2025. It fell from 1.0 on 01 February 2025 to 0.0 on 01 May 2025. It fell from 2.0 on 01 June 2025 to 0.0 on 01 September 2025. It rose from 0.0 on 01 October 2025 to 2.0 on 01 January 2026. It rose from 11.0 on 01 February 2026 to 16.0 on 01 May 2026. And finally. It rose from 10.0 on 01 June 2026 to 35.0 on 01 August 2026. There is no reporting delay period being tracked for the data on this chart. - Refer to tabular data.
Tabular data

Number of mpox clade Ib 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 Aug 2026

Month Number of cases
1 Aug 202635.00
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 20250.00
1 Oct 20250.00
1 Sep 20250.00
1 Aug 20251.00
1 Jul 20251.00
1 Jun 20252.00
1 May 20250.00
1 Apr 20251.00
1 Mar 20251.00
1 Feb 20251.00
1 Jan 20254.00
1 Dec 20240.00
1 Nov 20244.00
1 Oct 20241.00
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mpox clade IIb

Due to a recent change in methodology, clade IIb numbers presented here differ from the more detailed monthly mpox report, as clade not yet known and recombinant clade cases are included in the clade IIb count. For England, case numbers presented here include 73 cases of clade not yet known and 1 recombinant clade case. For Scotland, case numbers presented here include 2 cases of clade not yet known. For Wales, case numbers presented here include 1 case of clade not yet known.

England

Up to 31 Aug 2026
976

Wales

Up to 31 Aug 2026
22

Scotland

Up to 31 Aug 2026
38

Northern Ireland

Up to 31 Aug 2026
10

Number of mpox clade IIb 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 Aug 2026

ChartThere is only 1 plot on this chart. The horizontal X-axis is labelled 'date'. Whilst the vertical Y-axis is labelled 'metric'. This is a dark blue solid bar plot. This plot shows data for mpox-clade-2b. Specifically the metric 'mpox-clade-2b_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 August 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 17.0 on 01 July 2025 to 56.0 on 01 January 2026. And finally. It fell from 110.0 on 01 February 2026 to 10.0 on 01 August 2026. There is no reporting delay period being tracked for the data on this chart. - Refer to tabular data.
Tabular data

Number of mpox clade IIb 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 Aug 2026

Month Number of cases
1 Aug 202610.00
1 Jul 20265.00
1 Jun 202613.00
1 May 202623.00
1 Apr 202646.00
1 Mar 202665.00
1 Feb 2026110.00
1 Jan 202656.00
1 Dec 202521.00
1 Nov 202545.00
1 Oct 202522.00
1 Sep 202517.00
1 Aug 202513.00
1 Jul 202517.00
1 Jun 202517.00
1 May 202523.00
1 Apr 202525.00
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
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