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Data issue with COVID-19 cases

As of 30 October, a data quality issue has been identified in COVID-19 case counts and case rates between 19 March 2025 and 28 July 2025. 1,225 positive COVID-19 cases have been excluded from the dataset and are currently under investigation.

Entry title:

Mpox

Last updated on Thursday, 16 October 2025 at 09:53am

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 6 November at 09:30am.

mpox clade Ib

England

Up to 6 Oct 2025
16

Wales

Up to 6 Oct 2025
0

Scotland

Up to 6 Oct 2025
0

Northern Ireland

Up to 6 Oct 2025
0

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 Sep 2025

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 September 2025. It rose from 1.0 on 01 October 2024 to 4.0 on 01 November 2024. It rose from 0.0 on 01 December 2024 to 4.0 on 01 January 2025. The date fluctuates between 1.0 on 01 February 2025, ending with the same value on 01 March 2025. It fell from 1.0 on 01 April 2025 to 0.0 on 01 May 2025. It fell from 2.0 on 01 June 2025 to 1.0 on 01 July 2025. And finally. It fell from 1.0 on 01 August 2025 to 0.0 on 01 September 2025. 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 1 September 2025

MonthNumber of cases
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

England

Up to 30 Sep 2025
559

Wales

Up to 30 Sep 2025
13

Scotland

Up to 30 Sep 2025
25

Northern Ireland

Up to 30 Sep 2025
9

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 Sep 2025

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 September 2025. It rose from 1.0 on 01 January 2023 to 8.0 on 01 June 2023. It fell from 12.0 on 01 July 2023 to 7.0 on 01 December 2023. It rose from 7.0 on 01 January 2024 to 20.0 on 01 June 2024. It fell from 40.0 on 01 July 2024 to 26.0 on 01 November 2024. It rose from 22.0 on 01 December 2024 to 25.0 on 01 April 2025. And finally. It fell from 23.0 on 01 May 2025 to 16.0 on 01 September 2025. 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 1 September 2025

MonthNumber of cases
1 Sep 202516.00
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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