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Entry title:

Antimicrobial resistance in Klebsiella pneumoniae (K. pneumoniae) bacteraemia

Last updated on Thursday, 27 August 2026 at 04:00pm

This page provides information on resistance to antimicrobials in Klebsiella pneumoniae bacteraemia (bacteria found in blood specimens). Data breakdowns are available for England, by UKHSA Region and by Integrated Care Board.

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Overview

Antibiotics are grouped based on the UK-AWaRe classification. These are:

Access
Access antibiotics are with a narrow spectrum of activity, fewer side effects, lower costs, and importantly lower resistance potential. These are first or second choice antibiotics recommended for empiric treatment of the most common infections and should be widely available. That is to say, these antibiotics should offer the best therapeutic value while minimizing the potential for resistance.

Watch
Watch antibiotics have a higher resistance potential and are broader-spectrum antibiotics. These are first or second choice antibiotics indicated for a limited number of infective syndromes. As these antibiotics are considered to have a higher potential for selection of AMR, their use should be carefully monitored.

Reserve
Reserve antibiotics are “last resort” antibiotics, including new antibiotics. These are used for highly selected patients (life-threatening infections due to multi-drug-resistant bacteria) and are closely monitored and prioritized as targets of stewardship programmes to ensure continued effectiveness.

Resistance

Rolling monthly average percent of K. pneumoniae bacteraemia resistant to co-amoxiclav, ciprofloxacin, gentamicin, piperacillin with tazobactam, amikacin, carbapenems or third-generation cephalosporins. Monthly figures are shown as the first day of each month. For example, the figures for January 2022 are shown as at "1 Jan 2022".

Up to and including month of 1 Jun 2026

ChartThere are 7 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 solid line plot. The plot has a label of 'Amikacin (Watch)'. This plot shows data for K-pneumoniae. Specifically the metric 'k-pneumoniae_testing_bacteraemiaPercentResistantRollingMonth' for the England area, along with the age banding of 'all' for the gender group of all. This plot shows data from 01 June 2021 to 01 June 2026. It rose from 1.23 on 01 June 2021 to 3.31 on 01 April 2022. It fell from 2.43 on 01 May 2022 to 1.77 on 01 February 2023. It fell from 2.17 on 01 March 2023 to 1.9 on 01 December 2023. It rose from 1.71 on 01 January 2024 to 2.71 on 01 October 2024. It rose from 2.88 on 01 November 2024 to 3.2 on 01 August 2025. And finally. It fell from 3.05 on 01 September 2025 to 2.29 on 01 June 2026. This is plot number 2 on this chart. This is a turquoise solid line plot. The plot has a label of 'Carbapenems (Reserve)'. This plot shows data for K-pneumoniae. Specifically the metric 'k-pneumoniae_testing_bacteraemiaPercentResistantRollingMonth' for the England area, along with the age banding of 'all' for the gender group of all. This plot shows data from 01 June 2021 to 01 June 2026. It rose from 0.8 on 01 June 2021 to 1.01 on 01 April 2022. It rose from 1.33 on 01 May 2022 to 1.67 on 01 February 2023. It fell from 1.68 on 01 March 2023 to 1.47 on 01 December 2023. It rose from 1.37 on 01 January 2024 to 1.84 on 01 October 2024. It fell from 1.89 on 01 November 2024 to 1.5 on 01 August 2025. And finally. It fell from 1.68 on 01 September 2025 to 1.05 on 01 June 2026. This is plot number 3 on this chart. This is a dark pink solid line plot. The plot has a label of 'Ciprofloxacin (Watch)'. This plot shows data for K-pneumoniae. Specifically the metric 'k-pneumoniae_testing_bacteraemiaPercentResistantRollingMonth' for the England area, along with the age banding of 'all' for the gender group of all. This plot shows data from 01 June 2021 to 01 June 2026. It rose from 15.11 on 01 June 2021 to 18.05 on 01 April 2022. It fell from 17.71 on 01 May 2022 to 17.12 on 01 February 2023. It rose from 17.89 on 01 March 2023 to 18.54 on 01 December 2023. It rose from 18.2 on 01 January 2024 to 20.1 on 01 October 2024. It fell from 20.28 on 01 November 2024 to 19.58 on 01 August 2025. And finally. It fell from 17.95 on 01 September 2025 to 16.81 on 01 June 2026. This is plot number 4 on this chart. This is a orange solid line plot. The plot has a label of 'Co-amoxiclav (Watch)'. This plot shows data for K-pneumoniae. Specifically the metric 'k-pneumoniae_testing_bacteraemiaPercentResistantRollingMonth' for the England area, along with the age banding of 'all' for the gender group of all. This plot shows data from 01 June 2021 to 01 June 2026. It rose from 29.01 on 01 June 2021 to 31.02 on 01 April 2022. It rose from 29.27 on 01 May 2022 to 33.28 on 01 February 2023. It rose from 33.26 on 01 March 2023 to 36.35 on 01 December 2023. It fell from 34.82 on 01 January 2024 to 34.4 on 01 October 2024. It fell from 35.42 on 01 November 2024 to 33.08 on 01 August 2025. And finally. It rose from 32.49 on 01 September 2025 to 32.64 on 01 June 2026. This is plot number 5 on this chart. This is a dark grey solid line plot. The plot has a label of 'Gentamicin (Access)'. This plot shows data for K-pneumoniae. Specifically the metric 'k-pneumoniae_testing_bacteraemiaPercentResistantRollingMonth' for the England area, along with the age banding of 'all' for the gender group of all. This plot shows data from 01 June 2021 to 01 June 2026. It rose from 8.28 on 01 June 2021 to 10.43 on 01 April 2022. It rose from 9.16 on 01 May 2022 to 10.09 on 01 February 2023. It rose from 10.23 on 01 March 2023 to 11.98 on 01 December 2023. It rose from 11.94 on 01 January 2024 to 13.44 on 01 October 2024. It fell from 12.69 on 01 November 2024 to 12.28 on 01 August 2025. And finally. It fell from 11.78 on 01 September 2025 to 10.78 on 01 June 2026. This is plot number 6 on this chart. This is a light purple solid line plot. The plot has a label of 'Piperacillin with tazobactam (Watch)'. This plot shows data for K-pneumoniae. Specifically the metric 'k-pneumoniae_testing_bacteraemiaPercentResistantRollingMonth' for the England area, along with the age banding of 'all' for the gender group of all. This plot shows data from 01 June 2021 to 01 June 2026. It rose from 18.73 on 01 June 2021 to 20.77 on 01 April 2022. It rose from 19.94 on 01 May 2022 to 23.81 on 01 February 2023. It rose from 23.59 on 01 March 2023 to 25.44 on 01 December 2023. It fell from 24.73 on 01 January 2024 to 24.57 on 01 October 2024. It fell from 25.03 on 01 November 2024 to 23.09 on 01 August 2025. And finally. It fell from 22.02 on 01 September 2025 to 21.7 on 01 June 2026. This is plot number 7 on this chart. This is a burgundy solid line plot. The plot has a label of 'Third-generation cephalosporins (Watch)'. This plot shows data for K-pneumoniae. Specifically the metric 'k-pneumoniae_testing_bacteraemiaPercentResistantRollingMonth' for the England area, along with the age banding of 'all' for the gender group of all. This plot shows data from 01 June 2021 to 01 June 2026. It rose from 15.88 on 01 June 2021 to 17.67 on 01 April 2022. It rose from 16.72 on 01 May 2022 to 19.12 on 01 February 2023. It rose from 18.75 on 01 March 2023 to 19.36 on 01 December 2023. It rose from 18.47 on 01 January 2024 to 22.26 on 01 October 2024. It fell from 21.31 on 01 November 2024 to 18.66 on 01 August 2025. And finally. It rose from 18.29 on 01 September 2025 to 18.45 on 01 June 2026. There is no reporting delay period being tracked for the data on this chart. - Refer to tabular data.
Tabular data

Resistance data for rolling monthly average percent of K. pneumoniae bacteraemia resistant to co-amoxiclav, ciprofloxacin, gentamicin, piperacillin with tazobactam, amikacin, carbapenems or third-generation cephalosporins. Monthly figures are shown as the first day of each month. For example, the figures for January 2022 are shown as at "1 Jan 2022".

Up to and including month of 1 Jun 2026

Month Amikacin (Watch) Carbapenems (Reserve)
1 Jun 20262.291.05
1 May 20262.391.24
1 Apr 20262.041.16
1 Mar 20262.381.49
1 Feb 20262.531.49
1 Jan 20262.401.52
1 Dec 20252.791.48
1 Nov 20252.661.55
1 Oct 20253.021.64
1 Sep 20253.051.68
1 Aug 20253.201.50
1 Jul 20252.981.33
1 Jun 20252.201.11
1 May 20252.121.52
1 Apr 20252.721.77
1 Mar 20252.741.66
1 Feb 20253.051.30
1 Jan 20252.861.25
1 Dec 20243.101.65
1 Nov 20242.881.89
1 Oct 20242.711.84
1 Sep 20242.601.69
1 Aug 20242.641.46
1 Jul 20242.941.69
1 Jun 20242.951.43
1 May 20242.591.42
1 Apr 20242.621.52
1 Mar 20242.151.68
1 Feb 20242.531.68
1 Jan 20241.711.37
1 Dec 20231.901.47
1 Nov 20231.801.57
1 Oct 20231.971.76
1 Sep 20231.881.66
1 Aug 20232.171.48
1 Jul 20232.221.22
1 Jun 20232.591.36
1 May 20232.411.49
1 Apr 20232.181.64
1 Mar 20232.171.68
1 Feb 20231.771.67
1 Jan 20232.371.59
1 Dec 20222.611.52
1 Nov 20223.141.85
1 Oct 20223.011.72
1 Sep 20222.881.76
1 Aug 20222.151.62
1 Jul 20221.671.79
1 Jun 20221.981.72
1 May 20222.431.33
1 Apr 20223.311.01
1 Mar 20223.291.01
1 Feb 20222.891.14
1 Jan 20222.851.72
1 Dec 20212.441.67
1 Nov 20212.651.48
1 Oct 20212.180.99
1 Sep 20212.140.76
1 Aug 20211.700.74
1 Jul 20211.560.75
1 Jun 20211.230.80
Month Ciprofloxacin (Watch) Co-amoxiclav (Watch)
1 Jun 202616.8132.64
1 May 202617.7732.83
1 Apr 202617.7633.42
1 Mar 202618.4034.94
1 Feb 202618.2435.23
1 Jan 202617.1733.67
1 Dec 202518.4233.96
1 Nov 202517.6633.86
1 Oct 202518.5133.45
1 Sep 202517.9532.49
1 Aug 202519.5833.08
1 Jul 202518.8132.23
1 Jun 202518.0532.19
1 May 202516.8931.24
1 Apr 202517.4833.30
1 Mar 202517.6932.82
1 Feb 202518.7232.82
1 Jan 202519.2333.36
1 Dec 202420.1633.46
1 Nov 202420.2835.42
1 Oct 202420.1034.40
1 Sep 202419.3133.75
1 Aug 202418.9232.95
1 Jul 202418.9533.61
1 Jun 202418.5133.47
1 May 202418.6532.91
1 Apr 202417.5831.44
1 Mar 202417.6431.83
1 Feb 202417.4133.01
1 Jan 202418.2034.82
1 Dec 202318.5436.35
1 Nov 202319.3035.85
1 Oct 202318.3734.08
1 Sep 202318.0832.91
1 Aug 202317.1431.60
1 Jul 202318.9532.28
1 Jun 202319.4032.52
1 May 202319.3932.12
1 Apr 202318.1432.56
1 Mar 202317.8933.26
1 Feb 202317.1233.28
1 Jan 202317.8833.10
1 Dec 202217.4732.15
1 Nov 202217.5432.14
1 Oct 202215.9131.45
1 Sep 202215.6730.08
1 Aug 202215.2328.98
1 Jul 202215.7927.08
1 Jun 202216.8027.77
1 May 202217.7129.27
1 Apr 202218.0531.02
1 Mar 202217.5630.61
1 Feb 202217.1030.33
1 Jan 202217.4431.61
1 Dec 202117.5031.91
1 Nov 202116.9330.82
1 Oct 202115.9828.25
1 Sep 202115.3428.31
1 Aug 202115.2729.26
1 Jul 202115.1129.90
1 Jun 202115.1129.01
Month Gentamicin (Access) Piperacillin with tazobactam (Watch)
1 Jun 202610.7821.70
1 May 202610.9421.11
1 Apr 202610.5420.90
1 Mar 202610.6822.11
1 Feb 202610.2022.40
1 Jan 20269.9623.03
1 Dec 202510.4223.91
1 Nov 202510.2523.66
1 Oct 202511.2823.14
1 Sep 202511.7822.02
1 Aug 202512.2823.09
1 Jul 202511.4422.63
1 Jun 20259.6123.13
1 May 20259.6022.55
1 Apr 202511.4024.52
1 Mar 202512.4523.94
1 Feb 202512.8824.36
1 Jan 202512.0223.52
1 Dec 202412.2924.46
1 Nov 202412.6925.03
1 Oct 202413.4424.57
1 Sep 202413.8523.14
1 Aug 202413.6322.64
1 Jul 202412.3923.25
1 Jun 202411.7623.78
1 May 202410.9523.76
1 Apr 202410.5523.37
1 Mar 202410.4123.54
1 Feb 202411.6423.09
1 Jan 202411.9424.73
1 Dec 202311.9825.44
1 Nov 202311.1626.37
1 Oct 202310.7224.63
1 Sep 20239.3924.39
1 Aug 20239.3323.22
1 Jul 202310.2122.79
1 Jun 202311.4522.76
1 May 202310.9022.37
1 Apr 202310.4223.43
1 Mar 202310.2323.59
1 Feb 202310.0923.81
1 Jan 202310.5323.71
1 Dec 202210.5022.06
1 Nov 202210.7621.27
1 Oct 20229.9220.00
1 Sep 20229.3919.79
1 Aug 20229.0619.63
1 Jul 20228.2918.35
1 Jun 20228.9219.05
1 May 20229.1619.94
1 Apr 202210.4320.77
1 Mar 202210.1919.16
1 Feb 202210.2418.49
1 Jan 202210.5219.08
1 Dec 202110.4919.81
1 Nov 202110.5219.61
1 Oct 20219.5917.90
1 Sep 20219.0417.88
1 Aug 20218.4317.57
1 Jul 20218.2419.31
1 Jun 20218.2818.73
Month Third-generation cephalosporins (Watch)
1 Jun 202618.45
1 May 202618.59
1 Apr 202618.87
1 Mar 202619.35
1 Feb 202618.76
1 Jan 202618.24
1 Dec 202518.38
1 Nov 202518.51
1 Oct 202518.31
1 Sep 202518.29
1 Aug 202518.66
1 Jul 202518.59
1 Jun 202517.66
1 May 202518.32
1 Apr 202519.14
1 Mar 202519.00
1 Feb 202518.97
1 Jan 202519.24
1 Dec 202420.58
1 Nov 202421.31
1 Oct 202422.26
1 Sep 202421.50
1 Aug 202420.54
1 Jul 202419.35
1 Jun 202418.92
1 May 202418.57
1 Apr 202417.33
1 Mar 202416.71
1 Feb 202417.33
1 Jan 202418.47
1 Dec 202319.36
1 Nov 202320.07
1 Oct 202319.06
1 Sep 202318.88
1 Aug 202317.31
1 Jul 202318.80
1 Jun 202319.03
1 May 202319.15
1 Apr 202319.02
1 Mar 202318.75
1 Feb 202319.12
1 Jan 202319.48
1 Dec 202219.65
1 Nov 202219.10
1 Oct 202217.90
1 Sep 202216.70
1 Aug 202216.59
1 Jul 202215.80
1 Jun 202216.69
1 May 202216.72
1 Apr 202217.67
1 Mar 202217.37
1 Feb 202216.81
1 Jan 202217.87
1 Dec 202117.78
1 Nov 202118.15
1 Oct 202115.83
1 Sep 202115.54
1 Aug 202115.40
1 Jul 202115.87
1 Jun 202115.88
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Source: AMR module of Second Generation Surveillance System (SGSS). SGSS is a live reporting database, and therefore data is subject to change. Note 1: The chart shows a three-month rolling average, so the data shown for one month is the average across that month and the previous two months. Note 2: Interpreting national antibiotic resistance surveillance trends spanning European Committee on Antimicrobial Susceptibility Testing (EUCAST) clinical breakpoint transition periods requires additional consideration to avoid misinterpretation of data.

Amikacin

Testing

Rolling monthly average number of K. pneumoniae bacteraemia tested for resistance to amikacin. Monthly figures are shown as the first day of each month. For example, the figures for January 2022 are shown as at "1 Jan 2022".

Up to and including month of 1 Jun 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 K-pneumoniae. Specifically the metric 'k-pneumoniae_testing_bacteraemiaNumberTestedRollingMonth' for the England area, along with the age banding of 'all' for the gender group of all. This plot shows data from 01 June 2021 to 01 June 2026. It rose from 380.0 on 01 June 2021 to 402.67 on 01 April 2022. It rose from 412.0 on 01 May 2022 to 452.0 on 01 February 2023. It rose from 430.33 on 01 March 2023 to 544.33 on 01 December 2023. It rose from 506.33 on 01 January 2024 to 577.67 on 01 October 2024. It rose from 556.33 on 01 November 2024 to 582.67 on 01 August 2025. And finally. It fell from 623.0 on 01 September 2025 to 524.33 on 01 June 2026. There is no reporting delay period being tracked for the data on this chart. - Refer to tabular data.
Tabular data

Testing data for rolling monthly average number of K. pneumoniae bacteraemia tested for resistance to amikacin. Monthly figures are shown as the first day of each month. For example, the figures for January 2022 are shown as at "1 Jan 2022".

Up to and including month of 1 Jun 2026

Month Number tested
1 Jun 2026524.33
1 May 2026502.67
1 Apr 2026490.33
1 Mar 2026491.00
1 Feb 2026514.00
1 Jan 2026555.00
1 Dec 2025585.00
1 Nov 2025602.33
1 Oct 2025618.00
1 Sep 2025623.00
1 Aug 2025582.67
1 Jul 2025536.67
1 Jun 2025484.33
1 May 2025487.67
1 Apr 2025478.00
1 Mar 2025499.33
1 Feb 2025513.33
1 Jan 2025535.33
1 Dec 2024548.00
1 Nov 2024556.33
1 Oct 2024577.67
1 Sep 2024589.33
1 Aug 2024556.33
1 Jul 2024521.67
1 Jun 2024486.00
1 May 2024501.00
1 Apr 2024483.33
1 Mar 2024480.67
1 Feb 2024474.00
1 Jan 2024506.33
1 Dec 2023544.33
1 Nov 2023556.00
1 Oct 2023557.33
1 Sep 2023533.33
1 Aug 2023521.33
1 Jul 2023495.00
1 Jun 2023475.33
1 May 2023443.33
1 Apr 2023428.00
1 Mar 2023430.33
1 Feb 2023452.00
1 Jan 2023478.33
1 Dec 2022485.00
1 Nov 2022510.33
1 Oct 2022498.67
1 Sep 2022485.33
1 Aug 2022434.67
1 Jul 2022419.00
1 Jun 2022404.67
1 May 2022412.00
1 Apr 2022402.67
1 Mar 2022404.67
1 Feb 2022403.67
1 Jan 2022444.67
1 Dec 2021477.33
1 Nov 2021491.33
1 Oct 2021458.33
1 Sep 2021436.00
1 Aug 2021411.00
1 Jul 2021406.00
1 Jun 2021380.00
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About

Source: AMR module of Second Generation Surveillance System (SGSS). SGSS is a live reporting database, and therefore data is subject to change. Note 1: The chart shows a three-month rolling average, so the data shown for one month is the average across that month and the previous two months. Note 2: Interpreting national antibiotic resistance surveillance trends spanning European Committee on Antimicrobial Susceptibility Testing (EUCAST) clinical breakpoint transition periods requires additional consideration to avoid misinterpretation of data.

Testing

Rolling monthly average percent of K. pneumoniae bacteraemia tested for resistance to amikacin. Monthly figures are shown as the first day of each month. For example, the figures for January 2022 are shown as at "1 Jan 2022".

Up to and including month of 1 Jun 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 line plot. This plot shows data for K-pneumoniae. Specifically the metric 'k-pneumoniae_testing_bacteraemiaPercentTestedRollingMonth' for the England area, along with the age banding of 'all' for the gender group of all. This plot shows data from 01 June 2021 to 01 June 2026. It rose from 68.47 on 01 June 2021 to 70.53 on 01 April 2022. It fell from 69.83 on 01 May 2022 to 69.54 on 01 February 2023. It rose from 68.47 on 01 March 2023 to 70.65 on 01 December 2023. It fell from 69.32 on 01 January 2024 to 68.45 on 01 October 2024. It rose from 68.14 on 01 November 2024 to 68.96 on 01 August 2025. And finally. It fell from 69.38 on 01 September 2025 to 66.75 on 01 June 2026. There is no reporting delay period being tracked for the data on this chart. - Refer to tabular data.
Tabular data

Testing data for rolling monthly average percent of K. pneumoniae bacteraemia tested for resistance to amikacin. Monthly figures are shown as the first day of each month. For example, the figures for January 2022 are shown as at "1 Jan 2022".

Up to and including month of 1 Jun 2026

Month % tested
1 Jun 202666.75
1 May 202664.94
1 Apr 202663.64
1 Mar 202662.39
1 Feb 202665.31
1 Jan 202666.15
1 Dec 202567.87
1 Nov 202567.56
1 Oct 202568.90
1 Sep 202569.38
1 Aug 202568.96
1 Jul 202566.83
1 Jun 202564.71
1 May 202564.93
1 Apr 202565.93
1 Mar 202566.80
1 Feb 202566.54
1 Jan 202567.21
1 Dec 202467.40
1 Nov 202468.14
1 Oct 202468.45
1 Sep 202470.45
1 Aug 202469.41
1 Jul 202469.28
1 Jun 202467.41
1 May 202469.01
1 Apr 202468.61
1 Mar 202468.67
1 Feb 202467.81
1 Jan 202469.32
1 Dec 202370.65
1 Nov 202370.29
1 Oct 202368.94
1 Sep 202368.69
1 Aug 202369.47
1 Jul 202369.52
1 Jun 202369.55
1 May 202368.58
1 Apr 202368.48
1 Mar 202368.47
1 Feb 202369.54
1 Jan 202369.99
1 Dec 202269.78
1 Nov 202271.03
1 Oct 202269.46
1 Sep 202269.19
1 Aug 202268.35
1 Jul 202270.54
1 Jun 202270.26
1 May 202269.83
1 Apr 202270.53
1 Mar 202270.63
1 Feb 202270.45
1 Jan 202269.38
1 Dec 202170.15
1 Nov 202170.65
1 Oct 202169.29
1 Sep 202168.77
1 Aug 202167.82
1 Jul 202168.70
1 Jun 202168.47
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About

Source: AMR module of Second Generation Surveillance System (SGSS). SGSS is a live reporting database, and therefore data is subject to change. Note 1: The chart shows a three-month rolling average, so the data shown for one month is the average across that month and the previous two months. Note 2: Interpreting national antibiotic resistance surveillance trends spanning European Committee on Antimicrobial Susceptibility Testing (EUCAST) clinical breakpoint transition periods requires additional consideration to avoid misinterpretation of data.

Resistance

Rolling monthly average percent of K. pneumoniae bacteraemia resistant to amikacin. Monthly figures are shown as the first day of each month. For example, the figures for January 2022 are shown as at "1 Jan 2022".

Up to and including month of 1 Jun 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 line plot. This plot shows data for K-pneumoniae. Specifically the metric 'k-pneumoniae_testing_bacteraemiaPercentResistantRollingMonth' for the England area, along with the age banding of 'all' for the gender group of all. This plot shows data from 01 June 2021 to 01 June 2026. It rose from 1.23 on 01 June 2021 to 3.31 on 01 April 2022. It fell from 2.43 on 01 May 2022 to 1.77 on 01 February 2023. It fell from 2.17 on 01 March 2023 to 1.9 on 01 December 2023. It rose from 1.71 on 01 January 2024 to 2.71 on 01 October 2024. It rose from 2.88 on 01 November 2024 to 3.2 on 01 August 2025. And finally. It fell from 3.05 on 01 September 2025 to 2.29 on 01 June 2026. There is no reporting delay period being tracked for the data on this chart. - Refer to tabular data.
Tabular data

Resistance data for rolling monthly average percent of K. pneumoniae bacteraemia resistant to amikacin. Monthly figures are shown as the first day of each month. For example, the figures for January 2022 are shown as at "1 Jan 2022".

Up to and including month of 1 Jun 2026

Month % resistant
1 Jun 20262.29
1 May 20262.39
1 Apr 20262.04
1 Mar 20262.38
1 Feb 20262.53
1 Jan 20262.40
1 Dec 20252.79
1 Nov 20252.66
1 Oct 20253.02
1 Sep 20253.05
1 Aug 20253.20
1 Jul 20252.98
1 Jun 20252.20
1 May 20252.12
1 Apr 20252.72
1 Mar 20252.74
1 Feb 20253.05
1 Jan 20252.86
1 Dec 20243.10
1 Nov 20242.88
1 Oct 20242.71
1 Sep 20242.60
1 Aug 20242.64
1 Jul 20242.94
1 Jun 20242.95
1 May 20242.59
1 Apr 20242.62
1 Mar 20242.15
1 Feb 20242.53
1 Jan 20241.71
1 Dec 20231.90
1 Nov 20231.80
1 Oct 20231.97
1 Sep 20231.88
1 Aug 20232.17
1 Jul 20232.22
1 Jun 20232.59
1 May 20232.41
1 Apr 20232.18
1 Mar 20232.17
1 Feb 20231.77
1 Jan 20232.37
1 Dec 20222.61
1 Nov 20223.14
1 Oct 20223.01
1 Sep 20222.88
1 Aug 20222.15
1 Jul 20221.67
1 Jun 20221.98
1 May 20222.43
1 Apr 20223.31
1 Mar 20223.29
1 Feb 20222.89
1 Jan 20222.85
1 Dec 20212.44
1 Nov 20212.65
1 Oct 20212.18
1 Sep 20212.14
1 Aug 20211.70
1 Jul 20211.56
1 Jun 20211.23
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Source: AMR module of Second Generation Surveillance System (SGSS). SGSS is a live reporting database, and therefore data is subject to change. Note 1: The chart shows a three-month rolling average, so the data shown for one month is the average across that month and the previous two months. Note 2: Interpreting national antibiotic resistance surveillance trends spanning European Committee on Antimicrobial Susceptibility Testing (EUCAST) clinical breakpoint transition periods requires additional consideration to avoid misinterpretation of data.

Carbapenems

Testing

Rolling monthly average number of K. pneumoniae bacteraemia tested for resistance to carbapenems. Monthly figures are shown as the first day of each month. For example, the figures for January 2022 are shown as at "1 Jan 2022".

Up to and including month of 1 Jun 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 K-pneumoniae. Specifically the metric 'k-pneumoniae_testing_bacteraemiaNumberTestedRollingMonth' for the England area, along with the age banding of 'all' for the gender group of all. This plot shows data from 01 June 2021 to 01 June 2026. It rose from 543.67 on 01 June 2021 to 560.67 on 01 April 2022. It rose from 577.0 on 01 May 2022 to 637.67 on 01 February 2023. It rose from 614.33 on 01 March 2023 to 746.33 on 01 December 2023. It rose from 706.0 on 01 January 2024 to 816.33 on 01 October 2024. It rose from 792.0 on 01 November 2024 to 821.33 on 01 August 2025. And finally. It fell from 875.33 on 01 September 2025 to 759.67 on 01 June 2026. There is no reporting delay period being tracked for the data on this chart. - Refer to tabular data.
Tabular data

Testing data for rolling monthly average number of K. pneumoniae bacteraemia tested for resistance to carbapenems. Monthly figures are shown as the first day of each month. For example, the figures for January 2022 are shown as at "1 Jan 2022".

Up to and including month of 1 Jun 2026

Month Number tested
1 Jun 2026759.67
1 May 2026752.00
1 Apr 2026744.00
1 Mar 2026760.33
1 Feb 2026759.00
1 Jan 2026810.33
1 Dec 2025833.00
1 Nov 2025862.00
1 Oct 2025875.00
1 Sep 2025875.33
1 Aug 2025821.33
1 Jul 2025778.33
1 Jun 2025723.33
1 May 2025723.67
1 Apr 2025696.67
1 Mar 2025721.67
1 Feb 2025745.00
1 Jan 2025773.00
1 Dec 2024788.33
1 Nov 2024792.00
1 Oct 2024816.33
1 Sep 2024807.33
1 Aug 2024774.33
1 Jul 2024729.00
1 Jun 2024700.00
1 May 2024703.67
1 Apr 2024679.00
1 Mar 2024672.67
1 Feb 2024673.67
1 Jan 2024706.00
1 Dec 2023746.33
1 Nov 2023762.33
1 Oct 2023774.67
1 Sep 2023744.33
1 Aug 2023720.33
1 Jul 2023685.00
1 Jun 2023660.00
1 May 2023626.33
1 Apr 2023611.00
1 Mar 2023614.33
1 Feb 2023637.67
1 Jan 2023669.00
1 Dec 2022681.67
1 Nov 2022703.67
1 Oct 2022699.67
1 Sep 2022680.67
1 Aug 2022617.33
1 Jul 2022578.67
1 Jun 2022563.33
1 May 2022577.00
1 Apr 2022560.67
1 Mar 2022559.33
1 Feb 2022557.00
1 Jan 2022619.33
1 Dec 2021659.33
1 Nov 2021675.33
1 Oct 2021639.67
1 Sep 2021611.67
1 Aug 2021585.33
1 Jul 2021575.33
1 Jun 2021543.67
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About

Source: AMR module of Second Generation Surveillance System (SGSS). SGSS is a live reporting database, and therefore data is subject to change. Note 1: The chart shows a three-month rolling average, so the data shown for one month is the average across that month and the previous two months. Note 2: Interpreting national antibiotic resistance surveillance trends spanning European Committee on Antimicrobial Susceptibility Testing (EUCAST) clinical breakpoint transition periods requires additional consideration to avoid misinterpretation of data.

Testing

Rolling monthly average percent of K. pneumoniae bacteraemia tested for resistance to carbapenems. Monthly figures are shown as the first day of each month. For example, the figures for January 2022 are shown as at "1 Jan 2022".

Up to and including month of 1 Jun 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 line plot. This plot shows data for K-pneumoniae. Specifically the metric 'k-pneumoniae_testing_bacteraemiaPercentTestedRollingMonth' for the England area, along with the age banding of 'all' for the gender group of all. This plot shows data from 01 June 2021 to 01 June 2026. It rose from 97.84 on 01 June 2021 to 98.25 on 01 April 2022. It rose from 97.8 on 01 May 2022 to 98.0 on 01 February 2023. It fell from 97.77 on 01 March 2023 to 96.88 on 01 December 2023. It rose from 96.71 on 01 January 2024 to 96.8 on 01 October 2024. It rose from 97.06 on 01 November 2024 to 97.27 on 01 August 2025. And finally. It fell from 97.44 on 01 September 2025 to 96.69 on 01 June 2026. There is no reporting delay period being tracked for the data on this chart. - Refer to tabular data.
Tabular data

Testing data for rolling monthly average percent of K. pneumoniae bacteraemia tested for resistance to carbapenems. Monthly figures are shown as the first day of each month. For example, the figures for January 2022 are shown as at "1 Jan 2022".

Up to and including month of 1 Jun 2026

Month % tested
1 Jun 202696.69
1 May 202697.28
1 Apr 202696.62
1 Mar 202696.57
1 Feb 202696.44
1 Jan 202696.54
1 Dec 202596.64
1 Nov 202596.75
1 Oct 202597.55
1 Sep 202597.44
1 Aug 202597.27
1 Jul 202597.01
1 Jun 202596.66
1 May 202596.40
1 Apr 202596.00
1 Mar 202596.52
1 Feb 202596.63
1 Jan 202597.11
1 Dec 202496.92
1 Nov 202497.06
1 Oct 202496.80
1 Sep 202496.53
1 Aug 202496.63
1 Jul 202496.94
1 Jun 202497.09
1 May 202496.83
1 Apr 202496.45
1 Mar 202496.14
1 Feb 202496.28
1 Jan 202496.71
1 Dec 202396.88
1 Nov 202396.33
1 Oct 202395.79
1 Sep 202395.88
1 Aug 202396.00
1 Jul 202396.21
1 Jun 202396.63
1 May 202396.90
1 Apr 202397.76
1 Mar 202397.77
1 Feb 202398.00
1 Jan 202397.95
1 Dec 202297.99
1 Nov 202297.91
1 Oct 202297.49
1 Sep 202297.00
1 Aug 202297.17
1 Jul 202297.31
1 Jun 202297.91
1 May 202297.80
1 Apr 202298.25
1 Mar 202297.73
1 Feb 202297.38
1 Jan 202296.72
1 Dec 202196.91
1 Nov 202197.12
1 Oct 202196.67
1 Sep 202196.37
1 Aug 202196.53
1 Jul 202197.29
1 Jun 202197.84
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About

Source: AMR module of Second Generation Surveillance System (SGSS). SGSS is a live reporting database, and therefore data is subject to change. Note 1: The chart shows a three-month rolling average, so the data shown for one month is the average across that month and the previous two months. Note 2: Interpreting national antibiotic resistance surveillance trends spanning European Committee on Antimicrobial Susceptibility Testing (EUCAST) clinical breakpoint transition periods requires additional consideration to avoid misinterpretation of data.

Resistance

Rolling monthly average percent of K. pneumoniae bacteraemia resistant to carbapenems. Monthly figures are shown as the first day of each month. For example, the figures for January 2022 are shown as at "1 Jan 2022".

Up to and including month of 1 Jun 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 line plot. This plot shows data for K-pneumoniae. Specifically the metric 'k-pneumoniae_testing_bacteraemiaPercentResistantRollingMonth' for the England area, along with the age banding of 'all' for the gender group of all. This plot shows data from 01 June 2021 to 01 June 2026. It rose from 0.8 on 01 June 2021 to 1.01 on 01 April 2022. It rose from 1.33 on 01 May 2022 to 1.67 on 01 February 2023. It fell from 1.68 on 01 March 2023 to 1.47 on 01 December 2023. It rose from 1.37 on 01 January 2024 to 1.84 on 01 October 2024. It fell from 1.89 on 01 November 2024 to 1.5 on 01 August 2025. And finally. It fell from 1.68 on 01 September 2025 to 1.05 on 01 June 2026. There is no reporting delay period being tracked for the data on this chart. - Refer to tabular data.
Tabular data

Resistance data for rolling monthly average percent of K. pneumoniae bacteraemia resistant to carbapenems. Monthly figures are shown as the first day of each month. For example, the figures for January 2022 are shown as at "1 Jan 2022".

Up to and including month of 1 Jun 2026

Month % resistant
1 Jun 20261.05
1 May 20261.24
1 Apr 20261.16
1 Mar 20261.49
1 Feb 20261.49
1 Jan 20261.52
1 Dec 20251.48
1 Nov 20251.55
1 Oct 20251.64
1 Sep 20251.68
1 Aug 20251.50
1 Jul 20251.33
1 Jun 20251.11
1 May 20251.52
1 Apr 20251.77
1 Mar 20251.66
1 Feb 20251.30
1 Jan 20251.25
1 Dec 20241.65
1 Nov 20241.89
1 Oct 20241.84
1 Sep 20241.69
1 Aug 20241.46
1 Jul 20241.69
1 Jun 20241.43
1 May 20241.42
1 Apr 20241.52
1 Mar 20241.68
1 Feb 20241.68
1 Jan 20241.37
1 Dec 20231.47
1 Nov 20231.57
1 Oct 20231.76
1 Sep 20231.66
1 Aug 20231.48
1 Jul 20231.22
1 Jun 20231.36
1 May 20231.49
1 Apr 20231.64
1 Mar 20231.68
1 Feb 20231.67
1 Jan 20231.59
1 Dec 20221.52
1 Nov 20221.85
1 Oct 20221.72
1 Sep 20221.76
1 Aug 20221.62
1 Jul 20221.79
1 Jun 20221.72
1 May 20221.33
1 Apr 20221.01
1 Mar 20221.01
1 Feb 20221.14
1 Jan 20221.72
1 Dec 20211.67
1 Nov 20211.48
1 Oct 20210.99
1 Sep 20210.76
1 Aug 20210.74
1 Jul 20210.75
1 Jun 20210.80
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About

Source: AMR module of Second Generation Surveillance System (SGSS). SGSS is a live reporting database, and therefore data is subject to change. Note 1: The chart shows a three-month rolling average, so the data shown for one month is the average across that month and the previous two months. Note 2: Interpreting national antibiotic resistance surveillance trends spanning European Committee on Antimicrobial Susceptibility Testing (EUCAST) clinical breakpoint transition periods requires additional consideration to avoid misinterpretation of data.

Ciprofloxacin

Testing

Rolling monthly average number of K. pneumoniae bacteraemia tested for resistance to ciprofloxacin. Monthly figures are shown as the first day of each month. For example, the figures for January 2022 are shown as at "1 Jan 2022".

Up to and including month of 1 Jun 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 K-pneumoniae. Specifically the metric 'k-pneumoniae_testing_bacteraemiaNumberTestedRollingMonth' for the England area, along with the age banding of 'all' for the gender group of all. This plot shows data from 01 June 2021 to 01 June 2026. It rose from 525.0 on 01 June 2021 to 543.0 on 01 April 2022. It rose from 561.0 on 01 May 2022 to 605.67 on 01 February 2023. It rose from 585.0 on 01 March 2023 to 708.33 on 01 December 2023. It rose from 664.67 on 01 January 2024 to 764.33 on 01 October 2024. It rose from 731.33 on 01 November 2024 to 764.33 on 01 August 2025. And finally. It fell from 811.33 on 01 September 2025 to 690.0 on 01 June 2026. There is no reporting delay period being tracked for the data on this chart. - Refer to tabular data.
Tabular data

Testing data for rolling monthly average number of K. pneumoniae bacteraemia tested for resistance to ciprofloxacin. Monthly figures are shown as the first day of each month. For example, the figures for January 2022 are shown as at "1 Jan 2022".

Up to and including month of 1 Jun 2026

Month Number tested
1 Jun 2026690.00
1 May 2026677.33
1 Apr 2026673.67
1 Mar 2026684.67
1 Feb 2026696.33
1 Jan 2026743.33
1 Dec 2025772.67
1 Nov 2025798.33
1 Oct 2025812.33
1 Sep 2025811.33
1 Aug 2025764.33
1 Jul 2025724.67
1 Jun 2025668.33
1 May 2025671.00
1 Apr 2025648.33
1 Mar 2025672.67
1 Feb 2025691.00
1 Jan 2025710.67
1 Dec 2024729.33
1 Nov 2024731.33
1 Oct 2024764.33
1 Sep 2024758.00
1 Aug 2024729.33
1 Jul 2024682.33
1 Jun 2024657.33
1 May 2024661.33
1 Apr 2024646.67
1 Mar 2024638.67
1 Feb 2024639.33
1 Jan 2024664.67
1 Dec 2023708.33
1 Nov 2023732.33
1 Oct 2023745.67
1 Sep 2023715.33
1 Aug 2023688.33
1 Jul 2023654.33
1 Jun 2023632.33
1 May 2023600.00
1 Apr 2023584.33
1 Mar 2023585.00
1 Feb 2023605.67
1 Jan 2023637.67
1 Dec 2022650.67
1 Nov 2022676.67
1 Oct 2022672.67
1 Sep 2022661.67
1 Aug 2022597.33
1 Jul 2022565.67
1 Jun 2022545.67
1 May 2022561.00
1 Apr 2022543.00
1 Mar 2022544.67
1 Feb 2022542.00
1 Jan 2022598.33
1 Dec 2021636.33
1 Nov 2021653.67
1 Oct 2021625.67
1 Sep 2021599.67
1 Aug 2021572.00
1 Jul 2021558.00
1 Jun 2021525.00
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About

Source: AMR module of Second Generation Surveillance System (SGSS). SGSS is a live reporting database, and therefore data is subject to change. Note 1: The chart shows a three-month rolling average, so the data shown for one month is the average across that month and the previous two months. Note 2: Interpreting national antibiotic resistance surveillance trends spanning European Committee on Antimicrobial Susceptibility Testing (EUCAST) clinical breakpoint transition periods requires additional consideration to avoid misinterpretation of data.

Testing

Rolling monthly average percent of K. pneumoniae bacteraemia tested for resistance to ciprofloxacin. Monthly figures are shown as the first day of each month. For example, the figures for January 2022 are shown as at "1 Jan 2022".

Up to and including month of 1 Jun 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 line plot. This plot shows data for K-pneumoniae. Specifically the metric 'k-pneumoniae_testing_bacteraemiaPercentTestedRollingMonth' for the England area, along with the age banding of 'all' for the gender group of all. This plot shows data from 01 June 2021 to 01 June 2026. It rose from 94.59 on 01 June 2021 to 95.26 on 01 April 2022. It fell from 95.08 on 01 May 2022 to 93.08 on 01 February 2023. It fell from 93.15 on 01 March 2023 to 91.95 on 01 December 2023. It fell from 90.96 on 01 January 2024 to 90.63 on 01 October 2024. It rose from 89.58 on 01 November 2024 to 90.52 on 01 August 2025. And finally. It fell from 90.31 on 01 September 2025 to 87.9 on 01 June 2026. There is no reporting delay period being tracked for the data on this chart. - Refer to tabular data.
Tabular data

Testing data for rolling monthly average percent of K. pneumoniae bacteraemia tested for resistance to ciprofloxacin. Monthly figures are shown as the first day of each month. For example, the figures for January 2022 are shown as at "1 Jan 2022".

Up to and including month of 1 Jun 2026

Month % tested
1 Jun 202687.90
1 May 202687.58
1 Apr 202687.40
1 Mar 202686.91
1 Feb 202688.44
1 Jan 202688.56
1 Dec 202589.56
1 Nov 202589.56
1 Oct 202590.52
1 Sep 202590.31
1 Aug 202590.52
1 Jul 202590.27
1 Jun 202589.30
1 May 202589.47
1 Apr 202589.38
1 Mar 202589.96
1 Feb 202589.62
1 Jan 202589.20
1 Dec 202489.67
1 Nov 202489.58
1 Oct 202490.63
1 Sep 202490.67
1 Aug 202491.01
1 Jul 202490.69
1 Jun 202491.12
1 May 202491.05
1 Apr 202491.76
1 Mar 202491.27
1 Feb 202491.42
1 Jan 202490.96
1 Dec 202391.95
1 Nov 202392.54
1 Oct 202392.20
1 Sep 202392.14
1 Aug 202391.73
1 Jul 202391.85
1 Jun 202392.53
1 May 202392.88
1 Apr 202393.44
1 Mar 202393.15
1 Feb 202393.08
1 Jan 202393.27
1 Dec 202293.53
1 Nov 202294.15
1 Oct 202293.72
1 Sep 202294.29
1 Aug 202294.02
1 Jul 202295.12
1 Jun 202294.78
1 May 202295.08
1 Apr 202295.26
1 Mar 202295.10
1 Feb 202294.76
1 Jan 202293.44
1 Dec 202193.53
1 Nov 202193.96
1 Oct 202194.55
1 Sep 202194.48
1 Aug 202194.39
1 Jul 202194.42
1 Jun 202194.59
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About

Source: AMR module of Second Generation Surveillance System (SGSS). SGSS is a live reporting database, and therefore data is subject to change. Note 1: The chart shows a three-month rolling average, so the data shown for one month is the average across that month and the previous two months. Note 2: Interpreting national antibiotic resistance surveillance trends spanning European Committee on Antimicrobial Susceptibility Testing (EUCAST) clinical breakpoint transition periods requires additional consideration to avoid misinterpretation of data.

Resistance

Rolling monthly average percent of K. pneumoniae bacteraemia resistant to ciprofloxacin. Monthly figures are shown as the first day of each month. For example, the figures for January 2022 are shown as at "1 Jan 2022".

Up to and including month of 1 Jun 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 line plot. This plot shows data for K-pneumoniae. Specifically the metric 'k-pneumoniae_testing_bacteraemiaPercentResistantRollingMonth' for the England area, along with the age banding of 'all' for the gender group of all. This plot shows data from 01 June 2021 to 01 June 2026. It rose from 15.11 on 01 June 2021 to 18.05 on 01 April 2022. It fell from 17.71 on 01 May 2022 to 17.12 on 01 February 2023. It rose from 17.89 on 01 March 2023 to 18.54 on 01 December 2023. It rose from 18.2 on 01 January 2024 to 20.1 on 01 October 2024. It fell from 20.28 on 01 November 2024 to 19.58 on 01 August 2025. And finally. It fell from 17.95 on 01 September 2025 to 16.81 on 01 June 2026. There is no reporting delay period being tracked for the data on this chart. - Refer to tabular data.
Tabular data

Resistance data for rolling monthly average percent of K. pneumoniae bacteraemia resistant to ciprofloxacin. Monthly figures are shown as the first day of each month. For example, the figures for January 2022 are shown as at "1 Jan 2022".

Up to and including month of 1 Jun 2026

Month % resistant
1 Jun 202616.81
1 May 202617.77
1 Apr 202617.76
1 Mar 202618.40
1 Feb 202618.24
1 Jan 202617.17
1 Dec 202518.42
1 Nov 202517.66
1 Oct 202518.51
1 Sep 202517.95
1 Aug 202519.58
1 Jul 202518.81
1 Jun 202518.05
1 May 202516.89
1 Apr 202517.48
1 Mar 202517.69
1 Feb 202518.72
1 Jan 202519.23
1 Dec 202420.16
1 Nov 202420.28
1 Oct 202420.10
1 Sep 202419.31
1 Aug 202418.92
1 Jul 202418.95
1 Jun 202418.51
1 May 202418.65
1 Apr 202417.58
1 Mar 202417.64
1 Feb 202417.41
1 Jan 202418.20
1 Dec 202318.54
1 Nov 202319.30
1 Oct 202318.37
1 Sep 202318.08
1 Aug 202317.14
1 Jul 202318.95
1 Jun 202319.40
1 May 202319.39
1 Apr 202318.14
1 Mar 202317.89
1 Feb 202317.12
1 Jan 202317.88
1 Dec 202217.47
1 Nov 202217.54
1 Oct 202215.91
1 Sep 202215.67
1 Aug 202215.23
1 Jul 202215.79
1 Jun 202216.80
1 May 202217.71
1 Apr 202218.05
1 Mar 202217.56
1 Feb 202217.10
1 Jan 202217.44
1 Dec 202117.50
1 Nov 202116.93
1 Oct 202115.98
1 Sep 202115.34
1 Aug 202115.27
1 Jul 202115.11
1 Jun 202115.11
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About

Source: AMR module of Second Generation Surveillance System (SGSS). SGSS is a live reporting database, and therefore data is subject to change. Note 1: The chart shows a three-month rolling average, so the data shown for one month is the average across that month and the previous two months. Note 2: Interpreting national antibiotic resistance surveillance trends spanning European Committee on Antimicrobial Susceptibility Testing (EUCAST) clinical breakpoint transition periods requires additional consideration to avoid misinterpretation of data.

Co-amoxiclav

Testing

Rolling monthly average number of K. pneumoniae bacteraemia tested for resistance to co-amoxiclav. Monthly figures are shown as the first day of each month. For example, the figures for January 2022 are shown as at "1 Jan 2022".

Up to and including month of 1 Jun 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 K-pneumoniae. Specifically the metric 'k-pneumoniae_testing_bacteraemiaNumberTestedRollingMonth' for the England area, along with the age banding of 'all' for the gender group of all. This plot shows data from 01 June 2021 to 01 June 2026. It rose from 516.0 on 01 June 2021 to 532.0 on 01 April 2022. It rose from 550.0 on 01 May 2022 to 591.0 on 01 February 2023. It rose from 568.33 on 01 March 2023 to 693.33 on 01 December 2023. It rose from 656.67 on 01 January 2024 to 751.0 on 01 October 2024. It rose from 723.67 on 01 November 2024 to 753.67 on 01 August 2025. And finally. It fell from 792.0 on 01 September 2025 to 675.0 on 01 June 2026. There is no reporting delay period being tracked for the data on this chart. - Refer to tabular data.
Tabular data

Testing data for rolling monthly average number of K. pneumoniae bacteraemia tested for resistance to co-amoxiclav. Monthly figures are shown as the first day of each month. For example, the figures for January 2022 are shown as at "1 Jan 2022".

Up to and including month of 1 Jun 2026

Month Number tested
1 Jun 2026675.00
1 May 2026663.00
1 Apr 2026661.33
1 Mar 2026676.33
1 Feb 2026679.33
1 Jan 2026730.67
1 Dec 2025757.67
1 Nov 2025780.67
1 Oct 2025790.33
1 Sep 2025792.00
1 Aug 2025753.67
1 Jul 2025712.67
1 Jun 2025670.00
1 May 2025670.00
1 Apr 2025653.67
1 Mar 2025668.33
1 Feb 2025689.67
1 Jan 2025707.33
1 Dec 2024726.33
1 Nov 2024723.67
1 Oct 2024751.00
1 Sep 2024747.67
1 Aug 2024719.33
1 Jul 2024677.33
1 Jun 2024652.33
1 May 2024654.33
1 Apr 2024634.00
1 Mar 2024622.00
1 Feb 2024625.00
1 Jan 2024656.67
1 Dec 2023693.33
1 Nov 2023718.67
1 Oct 2023728.67
1 Sep 2023704.00
1 Aug 2023675.00
1 Jul 2023645.33
1 Jun 2023617.00
1 May 2023585.33
1 Apr 2023560.00
1 Mar 2023568.33
1 Feb 2023591.00
1 Jan 2023625.33
1 Dec 2022638.67
1 Nov 2022652.33
1 Oct 2022655.00
1 Sep 2022638.33
1 Aug 2022589.00
1 Jul 2022556.33
1 Jun 2022541.33
1 May 2022550.00
1 Apr 2022532.00
1 Mar 2022531.33
1 Feb 2022533.00
1 Jan 2022593.67
1 Dec 2021632.00
1 Nov 2021644.67
1 Oct 2021613.67
1 Sep 2021592.33
1 Aug 2021570.67
1 Jul 2021554.00
1 Jun 2021516.00
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About

Source: AMR module of Second Generation Surveillance System (SGSS). SGSS is a live reporting database, and therefore data is subject to change. Note 1: The chart shows a three-month rolling average, so the data shown for one month is the average across that month and the previous two months. Note 2: Interpreting national antibiotic resistance surveillance trends spanning European Committee on Antimicrobial Susceptibility Testing (EUCAST) clinical breakpoint transition periods requires additional consideration to avoid misinterpretation of data.

Testing

Rolling monthly average percent of K. pneumoniae bacteraemia tested for resistance to co-amoxiclav. Monthly figures are shown as the first day of each month. For example, the figures for January 2022 are shown as at "1 Jan 2022".

Up to and including month of 1 Jun 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 line plot. This plot shows data for K-pneumoniae. Specifically the metric 'k-pneumoniae_testing_bacteraemiaPercentTestedRollingMonth' for the England area, along with the age banding of 'all' for the gender group of all. This plot shows data from 01 June 2021 to 01 June 2026. It rose from 92.97 on 01 June 2021 to 93.33 on 01 April 2022. It fell from 93.22 on 01 May 2022 to 90.92 on 01 February 2023. It fell from 90.45 on 01 March 2023 to 90.0 on 01 December 2023. It fell from 89.86 on 01 January 2024 to 89.09 on 01 October 2024. It rose from 88.6 on 01 November 2024 to 89.22 on 01 August 2025. And finally. It fell from 88.2 on 01 September 2025 to 85.99 on 01 June 2026. There is no reporting delay period being tracked for the data on this chart. - Refer to tabular data.
Tabular data

Testing data for rolling monthly average percent of K. pneumoniae bacteraemia tested for resistance to co-amoxiclav. Monthly figures are shown as the first day of each month. For example, the figures for January 2022 are shown as at "1 Jan 2022".

Up to and including month of 1 Jun 2026

Month % tested
1 Jun 202685.99
1 May 202685.77
1 Apr 202685.84
1 Mar 202685.90
1 Feb 202686.28
1 Jan 202687.01
1 Dec 202587.82
1 Nov 202587.54
1 Oct 202588.07
1 Sep 202588.20
1 Aug 202589.22
1 Jul 202588.78
1 Jun 202589.57
1 May 202589.33
1 Apr 202590.07
1 Mar 202589.42
1 Feb 202589.36
1 Jan 202588.82
1 Dec 202489.30
1 Nov 202488.60
1 Oct 202489.09
1 Sep 202489.35
1 Aug 202489.76
1 Jul 202490.03
1 Jun 202490.43
1 May 202490.08
1 Apr 202490.06
1 Mar 202488.98
1 Feb 202489.41
1 Jan 202489.86
1 Dec 202390.00
1 Nov 202390.77
1 Oct 202390.10
1 Sep 202390.72
1 Aug 202390.00
1 Jul 202390.59
1 Jun 202390.34
1 May 202390.56
1 Apr 202389.60
1 Mar 202390.45
1 Feb 202390.92
1 Jan 202391.51
1 Dec 202291.80
1 Nov 202290.81
1 Oct 202291.35
1 Sep 202291.01
1 Aug 202292.76
1 Jul 202293.60
1 Jun 202294.09
1 May 202293.22
1 Apr 202293.33
1 Mar 202292.83
1 Feb 202293.18
1 Jan 202292.66
1 Dec 202192.94
1 Nov 202192.66
1 Oct 202192.74
1 Sep 202193.38
1 Aug 202194.06
1 Jul 202193.74
1 Jun 202192.97
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Source: AMR module of Second Generation Surveillance System (SGSS). SGSS is a live reporting database, and therefore data is subject to change. Note 1: The chart shows a three-month rolling average, so the data shown for one month is the average across that month and the previous two months. Note 2: Interpreting national antibiotic resistance surveillance trends spanning European Committee on Antimicrobial Susceptibility Testing (EUCAST) clinical breakpoint transition periods requires additional consideration to avoid misinterpretation of data.

Resistance

Rolling monthly average percent of K. pneumoniae bacteraemia resistant to co-amoxiclav. Monthly figures are shown as the first day of each month. For example, the figures for January 2022 are shown as at "1 Jan 2022".

Up to and including month of 1 Jun 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 line plot. This plot shows data for K-pneumoniae. Specifically the metric 'k-pneumoniae_testing_bacteraemiaPercentResistantRollingMonth' for the England area, along with the age banding of 'all' for the gender group of all. This plot shows data from 01 June 2021 to 01 June 2026. It rose from 29.01 on 01 June 2021 to 31.02 on 01 April 2022. It rose from 29.27 on 01 May 2022 to 33.28 on 01 February 2023. It rose from 33.26 on 01 March 2023 to 36.35 on 01 December 2023. It fell from 34.82 on 01 January 2024 to 34.4 on 01 October 2024. It fell from 35.42 on 01 November 2024 to 33.08 on 01 August 2025. And finally. It rose from 32.49 on 01 September 2025 to 32.64 on 01 June 2026. There is no reporting delay period being tracked for the data on this chart. - Refer to tabular data.
Tabular data

Resistance data for rolling monthly average percent of K. pneumoniae bacteraemia resistant to co-amoxiclav. Monthly figures are shown as the first day of each month. For example, the figures for January 2022 are shown as at "1 Jan 2022".

Up to and including month of 1 Jun 2026

Month % resistant
1 Jun 202632.64
1 May 202632.83
1 Apr 202633.42
1 Mar 202634.94
1 Feb 202635.23
1 Jan 202633.67
1 Dec 202533.96
1 Nov 202533.86
1 Oct 202533.45
1 Sep 202532.49
1 Aug 202533.08
1 Jul 202532.23
1 Jun 202532.19
1 May 202531.24
1 Apr 202533.30
1 Mar 202532.82
1 Feb 202532.82
1 Jan 202533.36
1 Dec 202433.46
1 Nov 202435.42
1 Oct 202434.40
1 Sep 202433.75
1 Aug 202432.95
1 Jul 202433.61
1 Jun 202433.47
1 May 202432.91
1 Apr 202431.44
1 Mar 202431.83
1 Feb 202433.01
1 Jan 202434.82
1 Dec 202336.35
1 Nov 202335.85
1 Oct 202334.08
1 Sep 202332.91
1 Aug 202331.60
1 Jul 202332.28
1 Jun 202332.52
1 May 202332.12
1 Apr 202332.56
1 Mar 202333.26
1 Feb 202333.28
1 Jan 202333.10
1 Dec 202232.15
1 Nov 202232.14
1 Oct 202231.45
1 Sep 202230.08
1 Aug 202228.98
1 Jul 202227.08
1 Jun 202227.77
1 May 202229.27
1 Apr 202231.02
1 Mar 202230.61
1 Feb 202230.33
1 Jan 202231.61
1 Dec 202131.91
1 Nov 202130.82
1 Oct 202128.25
1 Sep 202128.31
1 Aug 202129.26
1 Jul 202129.90
1 Jun 202129.01
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Source: AMR module of Second Generation Surveillance System (SGSS). SGSS is a live reporting database, and therefore data is subject to change. Note 1: The chart shows a three-month rolling average, so the data shown for one month is the average across that month and the previous two months. Note 2: Interpreting national antibiotic resistance surveillance trends spanning European Committee on Antimicrobial Susceptibility Testing (EUCAST) clinical breakpoint transition periods requires additional consideration to avoid misinterpretation of data.

Gentamicin

Testing

Rolling monthly average number of K. pneumoniae bacteraemia tested for resistance to gentamicin. Monthly figures are shown as the first day of each month. For example, the figures for January 2022 are shown as at "1 Jan 2022".

Up to and including month of 1 Jun 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 K-pneumoniae. Specifically the metric 'k-pneumoniae_testing_bacteraemiaNumberTestedRollingMonth' for the England area, along with the age banding of 'all' for the gender group of all. This plot shows data from 01 June 2021 to 01 June 2026. It rose from 535.33 on 01 June 2021 to 552.67 on 01 April 2022. It rose from 567.67 on 01 May 2022 to 611.0 on 01 February 2023. It rose from 589.67 on 01 March 2023 to 720.67 on 01 December 2023. It rose from 681.0 on 01 January 2024 to 779.0 on 01 October 2024. It rose from 748.33 on 01 November 2024 to 773.33 on 01 August 2025. And finally. It fell from 823.67 on 01 September 2025 to 705.0 on 01 June 2026. There is no reporting delay period being tracked for the data on this chart. - Refer to tabular data.
Tabular data

Testing data for rolling monthly average number of K. pneumoniae bacteraemia tested for resistance to gentamicin. Monthly figures are shown as the first day of each month. For example, the figures for January 2022 are shown as at "1 Jan 2022".

Up to and including month of 1 Jun 2026

Month Number tested
1 Jun 2026705.00
1 May 2026695.00
1 Apr 2026689.33
1 Mar 2026702.00
1 Feb 2026705.67
1 Jan 2026756.33
1 Dec 2025774.33
1 Nov 2025799.67
1 Oct 2025812.67
1 Sep 2025823.67
1 Aug 2025773.33
1 Jul 2025725.67
1 Jun 2025672.67
1 May 2025677.00
1 Apr 2025661.00
1 Mar 2025682.67
1 Feb 2025704.00
1 Jan 2025724.00
1 Dec 2024740.33
1 Nov 2024748.33
1 Oct 2024779.00
1 Sep 2024772.67
1 Aug 2024741.00
1 Jul 2024697.00
1 Jun 2024672.00
1 May 2024670.00
1 Apr 2024641.33
1 Mar 2024637.33
1 Feb 2024647.33
1 Jan 2024681.00
1 Dec 2023720.67
1 Nov 2023735.00
1 Oct 2023755.67
1 Sep 2023720.33
1 Aug 2023696.67
1 Jul 2023663.00
1 Jun 2023640.67
1 May 2023608.33
1 Apr 2023585.67
1 Mar 2023589.67
1 Feb 2023611.00
1 Jan 2023646.00
1 Dec 2022657.33
1 Nov 2022681.67
1 Oct 2022675.33
1 Sep 2022664.00
1 Aug 2022603.67
1 Jul 2022570.67
1 Jun 2022553.00
1 May 2022567.67
1 Apr 2022552.67
1 Mar 2022552.67
1 Feb 2022553.33
1 Jan 2022614.67
1 Dec 2021654.67
1 Nov 2021671.67
1 Oct 2021636.33
1 Sep 2021608.33
1 Aug 2021577.33
1 Jul 2021566.00
1 Jun 2021535.33
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Source: AMR module of Second Generation Surveillance System (SGSS). SGSS is a live reporting database, and therefore data is subject to change. Note 1: The chart shows a three-month rolling average, so the data shown for one month is the average across that month and the previous two months. Note 2: Interpreting national antibiotic resistance surveillance trends spanning European Committee on Antimicrobial Susceptibility Testing (EUCAST) clinical breakpoint transition periods requires additional consideration to avoid misinterpretation of data.

Testing

Rolling monthly average percent of K. pneumoniae bacteraemia tested for resistance to gentamicin. Monthly figures are shown as the first day of each month. For example, the figures for January 2022 are shown as at "1 Jan 2022".

Up to and including month of 1 Jun 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 line plot. This plot shows data for K-pneumoniae. Specifically the metric 'k-pneumoniae_testing_bacteraemiaPercentTestedRollingMonth' for the England area, along with the age banding of 'all' for the gender group of all. This plot shows data from 01 June 2021 to 01 June 2026. It rose from 96.4 on 01 June 2021 to 96.84 on 01 April 2022. It fell from 96.1 on 01 May 2022 to 94.0 on 01 February 2023. It fell from 93.79 on 01 March 2023 to 93.51 on 01 December 2023. It fell from 93.29 on 01 January 2024 to 92.41 on 01 October 2024. It fell from 91.67 on 01 November 2024 to 91.59 on 01 August 2025. And finally. It fell from 91.65 on 01 September 2025 to 89.81 on 01 June 2026. There is no reporting delay period being tracked for the data on this chart. - Refer to tabular data.
Tabular data

Testing data for rolling monthly average percent of K. pneumoniae bacteraemia tested for resistance to gentamicin. Monthly figures are shown as the first day of each month. For example, the figures for January 2022 are shown as at "1 Jan 2022".

Up to and including month of 1 Jun 2026

Month % tested
1 Jun 202689.81
1 May 202689.91
1 Apr 202689.48
1 Mar 202689.20
1 Feb 202689.58
1 Jan 202690.11
1 Dec 202589.79
1 Nov 202589.67
1 Oct 202590.52
1 Sep 202591.65
1 Aug 202591.59
1 Jul 202590.40
1 Jun 202589.84
1 May 202590.27
1 Apr 202591.17
1 Mar 202591.30
1 Feb 202591.31
1 Jan 202590.95
1 Dec 202491.02
1 Nov 202491.67
1 Oct 202492.41
1 Sep 202492.34
1 Aug 202492.51
1 Jul 202492.69
1 Jun 202493.20
1 May 202492.29
1 Apr 202491.05
1 Mar 202491.13
1 Feb 202492.56
1 Jan 202493.29
1 Dec 202393.51
1 Nov 202392.92
1 Oct 202393.44
1 Sep 202392.78
1 Aug 202392.80
1 Jul 202393.12
1 Jun 202393.70
1 May 202394.12
1 Apr 202393.60
1 Mar 202393.79
1 Feb 202394.00
1 Jan 202394.58
1 Dec 202294.53
1 Nov 202294.85
1 Oct 202294.14
1 Sep 202294.72
1 Aug 202294.96
1 Jul 202295.96
1 Jun 202296.17
1 May 202296.10
1 Apr 202296.84
1 Mar 202296.50
1 Feb 202296.68
1 Jan 202295.94
1 Dec 202196.18
1 Nov 202196.55
1 Oct 202196.22
1 Sep 202195.90
1 Aug 202195.21
1 Jul 202195.77
1 Jun 202196.40
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Source: AMR module of Second Generation Surveillance System (SGSS). SGSS is a live reporting database, and therefore data is subject to change. Note 1: The chart shows a three-month rolling average, so the data shown for one month is the average across that month and the previous two months. Note 2: Interpreting national antibiotic resistance surveillance trends spanning European Committee on Antimicrobial Susceptibility Testing (EUCAST) clinical breakpoint transition periods requires additional consideration to avoid misinterpretation of data.

Resistance

Rolling monthly average percent of K. pneumoniae bacteraemia resistant to gentamicin. Monthly figures are shown as the first day of each month. For example, the figures for January 2022 are shown as at "1 Jan 2022".

Up to and including month of 1 Jun 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 line plot. This plot shows data for K-pneumoniae. Specifically the metric 'k-pneumoniae_testing_bacteraemiaPercentResistantRollingMonth' for the England area, along with the age banding of 'all' for the gender group of all. This plot shows data from 01 June 2021 to 01 June 2026. It rose from 8.28 on 01 June 2021 to 10.43 on 01 April 2022. It rose from 9.16 on 01 May 2022 to 10.09 on 01 February 2023. It rose from 10.23 on 01 March 2023 to 11.98 on 01 December 2023. It rose from 11.94 on 01 January 2024 to 13.44 on 01 October 2024. It fell from 12.69 on 01 November 2024 to 12.28 on 01 August 2025. And finally. It fell from 11.78 on 01 September 2025 to 10.78 on 01 June 2026. There is no reporting delay period being tracked for the data on this chart. - Refer to tabular data.
Tabular data

Resistance data for rolling monthly average percent of K. pneumoniae bacteraemia resistant to gentamicin. Monthly figures are shown as the first day of each month. For example, the figures for January 2022 are shown as at "1 Jan 2022".

Up to and including month of 1 Jun 2026

Month % resistant
1 Jun 202610.78
1 May 202610.94
1 Apr 202610.54
1 Mar 202610.68
1 Feb 202610.20
1 Jan 20269.96
1 Dec 202510.42
1 Nov 202510.25
1 Oct 202511.28
1 Sep 202511.78
1 Aug 202512.28
1 Jul 202511.44
1 Jun 20259.61
1 May 20259.60
1 Apr 202511.40
1 Mar 202512.45
1 Feb 202512.88
1 Jan 202512.02
1 Dec 202412.29
1 Nov 202412.69
1 Oct 202413.44
1 Sep 202413.85
1 Aug 202413.63
1 Jul 202412.39
1 Jun 202411.76
1 May 202410.95
1 Apr 202410.55
1 Mar 202410.41
1 Feb 202411.64
1 Jan 202411.94
1 Dec 202311.98
1 Nov 202311.16
1 Oct 202310.72
1 Sep 20239.39
1 Aug 20239.33
1 Jul 202310.21
1 Jun 202311.45
1 May 202310.90
1 Apr 202310.42
1 Mar 202310.23
1 Feb 202310.09
1 Jan 202310.53
1 Dec 202210.50
1 Nov 202210.76
1 Oct 20229.92
1 Sep 20229.39
1 Aug 20229.06
1 Jul 20228.29
1 Jun 20228.92
1 May 20229.16
1 Apr 202210.43
1 Mar 202210.19
1 Feb 202210.24
1 Jan 202210.52
1 Dec 202110.49
1 Nov 202110.52
1 Oct 20219.59
1 Sep 20219.04
1 Aug 20218.43
1 Jul 20218.24
1 Jun 20218.28
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Source: AMR module of Second Generation Surveillance System (SGSS). SGSS is a live reporting database, and therefore data is subject to change. Note 1: The chart shows a three-month rolling average, so the data shown for one month is the average across that month and the previous two months. Note 2: Interpreting national antibiotic resistance surveillance trends spanning European Committee on Antimicrobial Susceptibility Testing (EUCAST) clinical breakpoint transition periods requires additional consideration to avoid misinterpretation of data.

Piperacillin with tazobactam

Testing

Rolling monthly average number of K. pneumoniae bacteraemia tested for resistance to piperacillin with tazobactam. Monthly figures are shown as the first day of each month. For example, the figures for January 2022 are shown as at "1 Jan 2022".

Up to and including month of 1 Jun 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 K-pneumoniae. Specifically the metric 'k-pneumoniae_testing_bacteraemiaNumberTestedRollingMonth' for the England area, along with the age banding of 'all' for the gender group of all. This plot shows data from 01 June 2021 to 01 June 2026. It fell from 514.33 on 01 June 2021 to 512.0 on 01 April 2022. It rose from 530.0 on 01 May 2022 to 586.67 on 01 February 2023. It rose from 562.33 on 01 March 2023 to 684.0 on 01 December 2023. It rose from 640.33 on 01 January 2024 to 742.0 on 01 October 2024. It rose from 727.0 on 01 November 2024 to 769.33 on 01 August 2025. And finally. It fell from 810.0 on 01 September 2025 to 694.33 on 01 June 2026. There is no reporting delay period being tracked for the data on this chart. - Refer to tabular data.
Tabular data

Testing data for rolling monthly average number of K. pneumoniae bacteraemia tested for resistance to piperacillin with tazobactam. Monthly figures are shown as the first day of each month. For example, the figures for January 2022 are shown as at "1 Jan 2022".

Up to and including month of 1 Jun 2026

Month Number tested
1 Jun 2026694.33
1 May 2026680.67
1 Apr 2026681.00
1 Mar 2026696.67
1 Feb 2026701.00
1 Jan 2026749.67
1 Dec 2025772.33
1 Nov 2025797.33
1 Oct 2025811.00
1 Sep 2025810.00
1 Aug 2025769.33
1 Jul 2025724.67
1 Jun 2025677.33
1 May 2025671.00
1 Apr 2025656.67
1 Mar 2025675.33
1 Feb 2025704.67
1 Jan 2025725.67
1 Dec 2024740.00
1 Nov 2024727.00
1 Oct 2024742.00
1 Sep 2024729.00
1 Aug 2024705.33
1 Jul 2024665.33
1 Jun 2024640.67
1 May 2024642.67
1 Apr 2024617.67
1 Mar 2024609.00
1 Feb 2024606.33
1 Jan 2024640.33
1 Dec 2023684.00
1 Nov 2023705.33
1 Oct 2023712.00
1 Sep 2023683.33
1 Aug 2023661.67
1 Jul 2023634.67
1 Jun 2023607.67
1 May 2023573.67
1 Apr 2023557.67
1 Mar 2023562.33
1 Feb 2023586.67
1 Jan 2023615.67
1 Dec 2022627.00
1 Nov 2022647.33
1 Oct 2022643.33
1 Sep 2022628.33
1 Aug 2022575.67
1 Jul 2022543.00
1 Jun 2022525.00
1 May 2022530.00
1 Apr 2022512.00
1 Mar 2022518.33
1 Feb 2022519.33
1 Jan 2022585.33
1 Dec 2021619.33
1 Nov 2021639.00
1 Oct 2021601.33
1 Sep 2021576.00
1 Aug 2021550.33
1 Jul 2021542.00
1 Jun 2021514.33
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Source: AMR module of Second Generation Surveillance System (SGSS). SGSS is a live reporting database, and therefore data is subject to change. Note 1: The chart shows a three-month rolling average, so the data shown for one month is the average across that month and the previous two months. Note 2: Interpreting national antibiotic resistance surveillance trends spanning European Committee on Antimicrobial Susceptibility Testing (EUCAST) clinical breakpoint transition periods requires additional consideration to avoid misinterpretation of data.

Testing

Rolling monthly average percent of K. pneumoniae bacteraemia tested for resistance to piperacillin with tazobactam. Monthly figures are shown as the first day of each month. For example, the figures for January 2022 are shown as at "1 Jan 2022".

Up to and including month of 1 Jun 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 line plot. This plot shows data for K-pneumoniae. Specifically the metric 'k-pneumoniae_testing_bacteraemiaPercentTestedRollingMonth' for the England area, along with the age banding of 'all' for the gender group of all. This plot shows data from 01 June 2021 to 01 June 2026. It fell from 92.61 on 01 June 2021 to 89.82 on 01 April 2022. It rose from 89.83 on 01 May 2022 to 90.15 on 01 February 2023. It fell from 89.49 on 01 March 2023 to 88.83 on 01 December 2023. It rose from 87.67 on 01 January 2024 to 88.02 on 01 October 2024. It rose from 89.09 on 01 November 2024 to 91.11 on 01 August 2025. And finally. It fell from 90.2 on 01 September 2025 to 88.41 on 01 June 2026. There is no reporting delay period being tracked for the data on this chart. - Refer to tabular data.
Tabular data

Testing data for rolling monthly average percent of K. pneumoniae bacteraemia tested for resistance to piperacillin with tazobactam. Monthly figures are shown as the first day of each month. For example, the figures for January 2022 are shown as at "1 Jan 2022".

Up to and including month of 1 Jun 2026

Month % tested
1 Jun 202688.41
1 May 202687.97
1 Apr 202688.44
1 Mar 202688.44
1 Feb 202689.07
1 Jan 202689.27
1 Dec 202589.56
1 Nov 202589.45
1 Oct 202590.41
1 Sep 202590.20
1 Aug 202591.11
1 Jul 202590.27
1 Jun 202590.51
1 May 202589.47
1 Apr 202590.48
1 Mar 202590.36
1 Feb 202591.31
1 Jan 202591.08
1 Dec 202491.02
1 Nov 202489.09
1 Oct 202488.02
1 Sep 202487.20
1 Aug 202488.01
1 Jul 202488.43
1 Jun 202488.77
1 May 202488.43
1 Apr 202487.64
1 Mar 202487.12
1 Feb 202486.70
1 Jan 202487.67
1 Dec 202388.83
1 Nov 202389.13
1 Oct 202388.12
1 Sep 202388.02
1 Aug 202388.13
1 Jul 202389.04
1 Jun 202388.87
1 May 202388.70
1 Apr 202389.12
1 Mar 202389.49
1 Feb 202390.15
1 Jan 202390.04
1 Dec 202290.22
1 Nov 202290.11
1 Oct 202289.68
1 Sep 202289.59
1 Aug 202290.55
1 Jul 202291.41
1 Jun 202291.30
1 May 202289.83
1 Apr 202289.82
1 Mar 202290.56
1 Feb 202290.73
1 Jan 202291.41
1 Dec 202191.03
1 Nov 202191.94
1 Oct 202190.92
1 Sep 202190.85
1 Aug 202190.76
1 Jul 202191.71
1 Jun 202192.61
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About

Source: AMR module of Second Generation Surveillance System (SGSS). SGSS is a live reporting database, and therefore data is subject to change. Note 1: The chart shows a three-month rolling average, so the data shown for one month is the average across that month and the previous two months. Note 2: Interpreting national antibiotic resistance surveillance trends spanning European Committee on Antimicrobial Susceptibility Testing (EUCAST) clinical breakpoint transition periods requires additional consideration to avoid misinterpretation of data.

Resistance

Rolling monthly average percent of K. pneumoniae bacteraemia resistant to piperacillin with tazobactam. Monthly figures are shown as the first day of each month. For example, the figures for January 2022 are shown as at "1 Jan 2022".

Up to and including month of 1 Jun 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 line plot. This plot shows data for K-pneumoniae. Specifically the metric 'k-pneumoniae_testing_bacteraemiaPercentResistantRollingMonth' for the England area, along with the age banding of 'all' for the gender group of all. This plot shows data from 01 June 2021 to 01 June 2026. It rose from 18.73 on 01 June 2021 to 20.77 on 01 April 2022. It rose from 19.94 on 01 May 2022 to 23.81 on 01 February 2023. It rose from 23.59 on 01 March 2023 to 25.44 on 01 December 2023. It fell from 24.73 on 01 January 2024 to 24.57 on 01 October 2024. It fell from 25.03 on 01 November 2024 to 23.09 on 01 August 2025. And finally. It fell from 22.02 on 01 September 2025 to 21.7 on 01 June 2026. There is no reporting delay period being tracked for the data on this chart. - Refer to tabular data.
Tabular data

Resistance data for rolling monthly average percent of K. pneumoniae bacteraemia resistant to piperacillin with tazobactam. Monthly figures are shown as the first day of each month. For example, the figures for January 2022 are shown as at "1 Jan 2022".

Up to and including month of 1 Jun 2026

Month % resistant
1 Jun 202621.70
1 May 202621.11
1 Apr 202620.90
1 Mar 202622.11
1 Feb 202622.40
1 Jan 202623.03
1 Dec 202523.91
1 Nov 202523.66
1 Oct 202523.14
1 Sep 202522.02
1 Aug 202523.09
1 Jul 202522.63
1 Jun 202523.13
1 May 202522.55
1 Apr 202524.52
1 Mar 202523.94
1 Feb 202524.36
1 Jan 202523.52
1 Dec 202424.46
1 Nov 202425.03
1 Oct 202424.57
1 Sep 202423.14
1 Aug 202422.64
1 Jul 202423.25
1 Jun 202423.78
1 May 202423.76
1 Apr 202423.37
1 Mar 202423.54
1 Feb 202423.09
1 Jan 202424.73
1 Dec 202325.44
1 Nov 202326.37
1 Oct 202324.63
1 Sep 202324.39
1 Aug 202323.22
1 Jul 202322.79
1 Jun 202322.76
1 May 202322.37
1 Apr 202323.43
1 Mar 202323.59
1 Feb 202323.81
1 Jan 202323.71
1 Dec 202222.06
1 Nov 202221.27
1 Oct 202220.00
1 Sep 202219.79
1 Aug 202219.63
1 Jul 202218.35
1 Jun 202219.05
1 May 202219.94
1 Apr 202220.77
1 Mar 202219.16
1 Feb 202218.49
1 Jan 202219.08
1 Dec 202119.81
1 Nov 202119.61
1 Oct 202117.90
1 Sep 202117.88
1 Aug 202117.57
1 Jul 202119.31
1 Jun 202118.73
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About

Source: AMR module of Second Generation Surveillance System (SGSS). SGSS is a live reporting database, and therefore data is subject to change. Note 1: The chart shows a three-month rolling average, so the data shown for one month is the average across that month and the previous two months. Note 2: Interpreting national antibiotic resistance surveillance trends spanning European Committee on Antimicrobial Susceptibility Testing (EUCAST) clinical breakpoint transition periods requires additional consideration to avoid misinterpretation of data.

Third-generation cephalosporins

Testing

Rolling monthly average number of K. pneumoniae bacteraemia tested for resistance to third-generation cephalosporins. Monthly figures are shown as the first day of each month. For example, the figures for January 2022 are shown as at "1 Jan 2022".

Up to and including month of 1 Jun 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 K-pneumoniae. Specifically the metric 'k-pneumoniae_testing_bacteraemiaNumberTestedRollingMonth' for the England area, along with the age banding of 'all' for the gender group of all. This plot shows data from 01 June 2021 to 01 June 2026. It rose from 541.67 on 01 June 2021 to 562.0 on 01 April 2022. It rose from 576.0 on 01 May 2022 to 633.0 on 01 February 2023. It rose from 609.67 on 01 March 2023 to 743.67 on 01 December 2023. It rose from 702.0 on 01 January 2024 to 817.67 on 01 October 2024. It rose from 788.33 on 01 November 2024 to 818.0 on 01 August 2025. And finally. It fell from 871.33 on 01 September 2025 to 755.33 on 01 June 2026. There is no reporting delay period being tracked for the data on this chart. - Refer to tabular data.
Tabular data

Testing data for rolling monthly average number of K. pneumoniae bacteraemia tested for resistance to third-generation cephalosporins. Monthly figures are shown as the first day of each month. For example, the figures for January 2022 are shown as at "1 Jan 2022".

Up to and including month of 1 Jun 2026

Month Number tested
1 Jun 2026755.33
1 May 2026740.67
1 Apr 2026738.33
1 Mar 2026754.33
1 Feb 2026753.33
1 Jan 2026802.33
1 Dec 2025825.33
1 Nov 2025857.33
1 Oct 2025868.33
1 Sep 2025871.33
1 Aug 2025818.00
1 Jul 2025778.00
1 Jun 2025723.00
1 May 2025724.33
1 Apr 2025696.67
1 Mar 2025721.00
1 Feb 2025741.33
1 Jan 2025765.67
1 Dec 2024782.33
1 Nov 2024788.33
1 Oct 2024817.67
1 Sep 2024810.67
1 Aug 2024775.67
1 Jul 2024725.33
1 Jun 2024694.00
1 May 2024700.00
1 Apr 2024681.00
1 Mar 2024674.33
1 Feb 2024673.33
1 Jan 2024702.00
1 Dec 2023743.67
1 Nov 2023762.33
1 Oct 2023776.33
1 Sep 2023746.67
1 Aug 2023722.00
1 Jul 2023688.00
1 Jun 2023660.33
1 May 2023626.67
1 Apr 2023608.00
1 Mar 2023609.67
1 Feb 2023633.00
1 Jan 2023667.33
1 Dec 2022682.00
1 Nov 2022705.00
1 Oct 2022700.00
1 Sep 2022680.67
1 Aug 2022616.67
1 Jul 2022576.00
1 Jun 2022561.33
1 May 2022576.00
1 Apr 2022562.00
1 Mar 2022560.33
1 Feb 2022557.33
1 Jan 2022621.00
1 Dec 2021661.67
1 Nov 2021676.00
1 Oct 2021640.00
1 Sep 2021613.33
1 Aug 2021588.67
1 Jul 2021575.33
1 Jun 2021541.67
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Source: AMR module of Second Generation Surveillance System (SGSS). SGSS is a live reporting database, and therefore data is subject to change. Note 1: The chart shows a three-month rolling average, so the data shown for one month is the average across that month and the previous two months. Note 2: Interpreting national antibiotic resistance surveillance trends spanning European Committee on Antimicrobial Susceptibility Testing (EUCAST) clinical breakpoint transition periods requires additional consideration to avoid misinterpretation of data.

Testing

Rolling monthly average percent of K. pneumoniae bacteraemia tested for resistance to third-generation cephalosporins. Monthly figures are shown as the first day of each month. For example, the figures for January 2022 are shown as at "1 Jan 2022".

Up to and including month of 1 Jun 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 line plot. This plot shows data for K-pneumoniae. Specifically the metric 'k-pneumoniae_testing_bacteraemiaPercentTestedRollingMonth' for the England area, along with the age banding of 'all' for the gender group of all. This plot shows data from 01 June 2021 to 01 June 2026. It rose from 97.48 on 01 June 2021 to 98.6 on 01 April 2022. It fell from 97.63 on 01 May 2022 to 97.38 on 01 February 2023. It fell from 96.97 on 01 March 2023 to 96.49 on 01 December 2023. It rose from 96.16 on 01 January 2024 to 96.92 on 01 October 2024. It rose from 96.57 on 01 November 2024 to 96.92 on 01 August 2025. And finally. It fell from 96.99 on 01 September 2025 to 96.18 on 01 June 2026. There is no reporting delay period being tracked for the data on this chart. - Refer to tabular data.
Tabular data

Testing data for rolling monthly average percent of K. pneumoniae bacteraemia tested for resistance to third-generation cephalosporins. Monthly figures are shown as the first day of each month. For example, the figures for January 2022 are shown as at "1 Jan 2022".

Up to and including month of 1 Jun 2026

Month % tested
1 Jun 202696.18
1 May 202695.73
1 Apr 202695.84
1 Mar 202695.81
1 Feb 202695.68
1 Jan 202695.59
1 Dec 202595.71
1 Nov 202596.18
1 Oct 202596.77
1 Sep 202596.99
1 Aug 202596.92
1 Jul 202597.01
1 Jun 202596.66
1 May 202596.53
1 Apr 202596.00
1 Mar 202596.52
1 Feb 202596.11
1 Jan 202596.11
1 Dec 202496.19
1 Nov 202496.57
1 Oct 202496.92
1 Sep 202496.89
1 Aug 202496.75
1 Jul 202496.41
1 Jun 202496.26
1 May 202496.42
1 Apr 202496.73
1 Mar 202496.42
1 Feb 202496.28
1 Jan 202496.16
1 Dec 202396.49
1 Nov 202396.33
1 Oct 202396.04
1 Sep 202396.13
1 Aug 202396.27
1 Jul 202396.63
1 Jun 202396.63
1 May 202396.90
1 Apr 202397.28
1 Mar 202396.97
1 Feb 202397.38
1 Jan 202397.66
1 Dec 202298.13
1 Nov 202298.19
1 Oct 202297.63
1 Sep 202297.00
1 Aug 202297.01
1 Jul 202296.97
1 Jun 202297.57
1 May 202297.63
1 Apr 202298.60
1 Mar 202297.90
1 Feb 202297.38
1 Jan 202297.03
1 Dec 202197.21
1 Nov 202197.27
1 Oct 202196.82
1 Sep 202196.69
1 Aug 202197.03
1 Jul 202197.29
1 Jun 202197.48
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About

Source: AMR module of Second Generation Surveillance System (SGSS). SGSS is a live reporting database, and therefore data is subject to change. Note 1: The chart shows a three-month rolling average, so the data shown for one month is the average across that month and the previous two months. Note 2: Interpreting national antibiotic resistance surveillance trends spanning European Committee on Antimicrobial Susceptibility Testing (EUCAST) clinical breakpoint transition periods requires additional consideration to avoid misinterpretation of data.

Resistance

Rolling monthly average percent of K. pneumoniae bacteraemia resistant to third-generation cephalosporins. Monthly figures are shown as the first day of each month. For example, the figures for January 2022 are shown as at "1 Jan 2022".

Up to and including month of 1 Jun 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 line plot. This plot shows data for K-pneumoniae. Specifically the metric 'k-pneumoniae_testing_bacteraemiaPercentResistantRollingMonth' for the England area, along with the age banding of 'all' for the gender group of all. This plot shows data from 01 June 2021 to 01 June 2026. It rose from 15.88 on 01 June 2021 to 17.67 on 01 April 2022. It rose from 16.72 on 01 May 2022 to 19.12 on 01 February 2023. It rose from 18.75 on 01 March 2023 to 19.36 on 01 December 2023. It rose from 18.47 on 01 January 2024 to 22.26 on 01 October 2024. It fell from 21.31 on 01 November 2024 to 18.66 on 01 August 2025. And finally. It rose from 18.29 on 01 September 2025 to 18.45 on 01 June 2026. There is no reporting delay period being tracked for the data on this chart. - Refer to tabular data.
Tabular data

Resistance data for rolling monthly average percent of K. pneumoniae bacteraemia resistant to third-generation cephalosporins. Monthly figures are shown as the first day of each month. For example, the figures for January 2022 are shown as at "1 Jan 2022".

Up to and including month of 1 Jun 2026

Month % resistant
1 Jun 202618.45
1 May 202618.59
1 Apr 202618.87
1 Mar 202619.35
1 Feb 202618.76
1 Jan 202618.24
1 Dec 202518.38
1 Nov 202518.51
1 Oct 202518.31
1 Sep 202518.29
1 Aug 202518.66
1 Jul 202518.59
1 Jun 202517.66
1 May 202518.32
1 Apr 202519.14
1 Mar 202519.00
1 Feb 202518.97
1 Jan 202519.24
1 Dec 202420.58
1 Nov 202421.31
1 Oct 202422.26
1 Sep 202421.50
1 Aug 202420.54
1 Jul 202419.35
1 Jun 202418.92
1 May 202418.57
1 Apr 202417.33
1 Mar 202416.71
1 Feb 202417.33
1 Jan 202418.47
1 Dec 202319.36
1 Nov 202320.07
1 Oct 202319.06
1 Sep 202318.88
1 Aug 202317.31
1 Jul 202318.80
1 Jun 202319.03
1 May 202319.15
1 Apr 202319.02
1 Mar 202318.75
1 Feb 202319.12
1 Jan 202319.48
1 Dec 202219.65
1 Nov 202219.10
1 Oct 202217.90
1 Sep 202216.70
1 Aug 202216.59
1 Jul 202215.80
1 Jun 202216.69
1 May 202216.72
1 Apr 202217.67
1 Mar 202217.37
1 Feb 202216.81
1 Jan 202217.87
1 Dec 202117.78
1 Nov 202118.15
1 Oct 202115.83
1 Sep 202115.54
1 Aug 202115.40
1 Jul 202115.87
1 Jun 202115.88
Download

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About

Source: AMR module of Second Generation Surveillance System (SGSS). SGSS is a live reporting database, and therefore data is subject to change. Note 1: The chart shows a three-month rolling average, so the data shown for one month is the average across that month and the previous two months. Note 2: Interpreting national antibiotic resistance surveillance trends spanning European Committee on Antimicrobial Susceptibility Testing (EUCAST) clinical breakpoint transition periods requires additional consideration to avoid misinterpretation of data.

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