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Entry title:

Antimicrobial Resistance in Escherichia coli (E. coli)

Last updated on Thursday, 3 April 2025 at 08:50am

This page provides information on resistance to antimicrobials in Escherichia coli bacteraemia (bacteria found in blood specimens) in England.

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 E. coli bacteraemia resistant to co-amoxiclav, ciprofloxacin, gentamicin or piperacillin with tazobactam

Up to and including month of 1 Oct 2024

ChartThere are 4 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 'Ciprofloxacin (Watch)'. This plot shows data for E-coli. Specifically the metric 'e-coli_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 December 2022 to 01 October 2024. It fell from 18.86 on 01 December 2022 to 17.56 on 01 March 2023. It rose from 18.85 on 01 April 2023 to 19.5 on 01 July 2023. It rose from 19.56 on 01 August 2023 to 19.79 on 01 November 2023. It fell from 20.02 on 01 December 2023 to 19.54 on 01 March 2024. It rose from 19.76 on 01 April 2024 to 20.12 on 01 July 2024. And finally. It fell from 19.79 on 01 August 2024 to 18.99 on 01 October 2024. This is plot number 2 on this chart. This is a turquoise solid line plot. The plot has a label of 'Co-amoxiclav (Watch)'. This plot shows data for E-coli. Specifically the metric 'e-coli_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 December 2022 to 01 October 2024. It rose from 42.94 on 01 December 2022 to 44.41 on 01 March 2023. It fell from 43.79 on 01 April 2023 to 42.16 on 01 July 2023. It rose from 42.19 on 01 August 2023 to 43.17 on 01 November 2023. It fell from 43.9 on 01 December 2023 to 41.02 on 01 March 2024. It rose from 40.91 on 01 April 2024 to 42.39 on 01 July 2024. And finally. It rose from 42.51 on 01 August 2024 to 42.69 on 01 October 2024. This is plot number 3 on this chart. This is a dark pink solid line plot. The plot has a label of 'Gentamicin (Access)'. This plot shows data for E-coli. Specifically the metric 'e-coli_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 December 2022 to 01 October 2024. It fell from 11.22 on 01 December 2022 to 10.43 on 01 March 2023. It rose from 11.06 on 01 April 2023 to 11.76 on 01 July 2023. It fell from 11.99 on 01 August 2023 to 11.83 on 01 November 2023. It rose from 11.83 on 01 December 2023 to 12.52 on 01 March 2024. It rose from 12.86 on 01 April 2024 to 12.95 on 01 July 2024. And finally. It fell from 12.71 on 01 August 2024 to 11.61 on 01 October 2024. This is plot number 4 on this chart. This is a orange solid line plot. The plot has a label of 'Piperacillin with tazobactam (Watch)'. This plot shows data for E-coli. Specifically the metric 'e-coli_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 December 2022 to 01 October 2024. It rose from 10.49 on 01 December 2022 to 11.75 on 01 March 2023. It fell from 12.5 on 01 April 2023 to 12.14 on 01 July 2023. It rose from 12.2 on 01 August 2023 to 12.76 on 01 November 2023. It fell from 12.76 on 01 December 2023 to 12.11 on 01 March 2024. It fell from 12.46 on 01 April 2024 to 12.38 on 01 July 2024. And finally. It fell from 12.02 on 01 August 2024 to 11.43 on 01 October 2024. 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 E. coli bacteraemia resistant to co-amoxiclav, ciprofloxacin, gentamicin or piperacillin with tazobactam

Up to and including 1 October 2024

MonthCiprofloxacin (Watch)Co-amoxiclav (Watch)
1 Oct 202418.9942.69
1 Sep 202419.3842.86
1 Aug 202419.7942.51
1 Jul 202420.1242.39
1 Jun 202419.7141.65
1 May 202419.7141.39
1 Apr 202419.7640.91
1 Mar 202419.5441.02
1 Feb 202419.4241.91
1 Jan 202419.8443.06
1 Dec 202320.0243.9
1 Nov 202319.7943.17
1 Oct 202319.3142.27
1 Sep 202319.2541.62
1 Aug 202319.5642.19
1 Jul 202319.542.16
1 Jun 202319.8942.86
1 May 202319.1742.98
1 Apr 202318.8543.79
1 Mar 202317.5644.41
1 Feb 202318.1544.39
1 Jan 202318.3243.57
1 Dec 202218.8642.94
MonthGentamicin (Access)Piperacillin with tazobactam (Watch)
1 Oct 202411.6111.43
1 Sep 202412.2211.47
1 Aug 202412.7112.02
1 Jul 202412.9512.38
1 Jun 202412.5212.72
1 May 202412.7512.44
1 Apr 202412.8612.46
1 Mar 202412.5212.11
1 Feb 202412.1312.69
1 Jan 202411.8112.6
1 Dec 202311.8312.76
1 Nov 202311.8312.76
1 Oct 202311.7212.59
1 Sep 202311.7812.11
1 Aug 202311.9912.2
1 Jul 202311.7612.14
1 Jun 202311.812.83
1 May 202311.3412.42
1 Apr 202311.0612.5
1 Mar 202310.4311.75
1 Feb 202310.5311.39
1 Jan 202310.8210.76
1 Dec 202211.2210.49
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Ciprofloxacin

Testing

Rolling monthly average number of E. coli bacteraemia tested for resistance to ciprofloxacin

Up to and including month of 1 Oct 2024

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 E-coli. Specifically the metric 'e-coli_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 December 2022 to 01 October 2024. It fell from 2637.67 on 01 December 2022 to 2581.67 on 01 March 2023. It rose from 2641.67 on 01 April 2023 to 3025.67 on 01 July 2023. It fell from 3086.33 on 01 August 2023 to 2931.33 on 01 November 2023. It fell from 2837.67 on 01 December 2023 to 2833.33 on 01 March 2024. It rose from 2866.33 on 01 April 2024 to 3111.33 on 01 July 2024. And finally. It fell from 3190.0 on 01 August 2024 to 3183.67 on 01 October 2024. 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 E. coli bacteraemia tested for resistance to ciprofloxacin

Up to and including 1 October 2024

MonthNumber tested
1 Oct 20243,183.67
1 Sep 20243,193
1 Aug 20243,190
1 Jul 20243,111.33
1 Jun 20243,036.33
1 May 20242,985
1 Apr 20242,866.33
1 Mar 20242,833.33
1 Feb 20242,794.33
1 Jan 20242,805.67
1 Dec 20232,837.67
1 Nov 20232,931.33
1 Oct 20233,041
1 Sep 20233,110
1 Aug 20233,086.33
1 Jul 20233,025.67
1 Jun 20232,872.67
1 May 20232,778
1 Apr 20232,641.67
1 Mar 20232,581.67
1 Feb 20232,495.33
1 Jan 20232,578.33
1 Dec 20222,637.67
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Testing

Rolling monthly average percent of E. coli bacteraemia tested for resistance to ciprofloxacin

Up to and including month of 1 Oct 2024

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 E-coli. Specifically the metric 'e-coli_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 December 2022 to 01 October 2024. It fell from 93.71 on 01 December 2022 to 92.41 on 01 March 2023. It rose from 92.37 on 01 April 2023 to 92.62 on 01 July 2023. It fell from 92.2 on 01 August 2023 to 92.14 on 01 November 2023. It fell from 91.58 on 01 December 2023 to 91.15 on 01 March 2024. It fell from 91.39 on 01 April 2024 to 90.91 on 01 July 2024. And finally. It fell from 90.6 on 01 August 2024 to 90.53 on 01 October 2024. 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 E. coli bacteraemia tested for resistance to ciprofloxacin

Up to and including 1 October 2024

Month% tested
1 Oct 202490.53
1 Sep 202490.56
1 Aug 202490.6
1 Jul 202490.91
1 Jun 202491.36
1 May 202491.71
1 Apr 202491.39
1 Mar 202491.15
1 Feb 202491.22
1 Jan 202491.4
1 Dec 202391.58
1 Nov 202392.14
1 Oct 202392.12
1 Sep 202392.45
1 Aug 202392.2
1 Jul 202392.62
1 Jun 202392.44
1 May 202392.35
1 Apr 202392.37
1 Mar 202392.41
1 Feb 202392.99
1 Jan 202393.2
1 Dec 202293.71
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Resistance

Rolling monthly average percent of E. coli bacteraemia resistant to ciprofloxacin

Up to and including month of 1 Oct 2024

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 E-coli. Specifically the metric 'e-coli_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 December 2022 to 01 October 2024. It fell from 18.86 on 01 December 2022 to 17.56 on 01 March 2023. It rose from 18.85 on 01 April 2023 to 19.5 on 01 July 2023. It rose from 19.56 on 01 August 2023 to 19.79 on 01 November 2023. It fell from 20.02 on 01 December 2023 to 19.54 on 01 March 2024. It rose from 19.76 on 01 April 2024 to 20.12 on 01 July 2024. And finally. It fell from 19.79 on 01 August 2024 to 18.99 on 01 October 2024. 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 E. coli bacteraemia resistant to ciprofloxacin

Up to and including 1 October 2024

Month% resistant
1 Oct 202418.99
1 Sep 202419.38
1 Aug 202419.79
1 Jul 202420.12
1 Jun 202419.71
1 May 202419.71
1 Apr 202419.76
1 Mar 202419.54
1 Feb 202419.42
1 Jan 202419.84
1 Dec 202320.02
1 Nov 202319.79
1 Oct 202319.31
1 Sep 202319.25
1 Aug 202319.56
1 Jul 202319.5
1 Jun 202319.89
1 May 202319.17
1 Apr 202318.85
1 Mar 202317.56
1 Feb 202318.15
1 Jan 202318.32
1 Dec 202218.86
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Co-amoxiclav

Testing

Rolling monthly average number of E. coli bacteraemia tested for resistance to co-amoxiclav

Up to and including month of 1 Oct 2024

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 E-coli. Specifically the metric 'e-coli_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 December 2022 to 01 October 2024. It fell from 2555.0 on 01 December 2022 to 2539.33 on 01 March 2023. It rose from 2604.0 on 01 April 2023 to 2941.0 on 01 July 2023. It fell from 3009.33 on 01 August 2023 to 2828.67 on 01 November 2023. It rose from 2744.0 on 01 December 2023 to 2763.0 on 01 March 2024. It rose from 2784.0 on 01 April 2024 to 3039.67 on 01 July 2024. And finally. The date fluctuates between 3118.33 on 01 August 2024, ending with the same value on 01 October 2024. 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 E. coli bacteraemia tested for resistance to co-amoxiclav

Up to and including 1 October 2024

MonthNumber tested
1 Oct 20243,118.33
1 Sep 20243,129.67
1 Aug 20243,118.33
1 Jul 20243,039.67
1 Jun 20242,951
1 May 20242,902.67
1 Apr 20242,784
1 Mar 20242,763
1 Feb 20242,712
1 Jan 20242,722
1 Dec 20232,744
1 Nov 20232,828.67
1 Oct 20232,955.33
1 Sep 20233,024
1 Aug 20233,009.33
1 Jul 20232,941
1 Jun 20232,808.33
1 May 20232,731
1 Apr 20232,604
1 Mar 20232,539.33
1 Feb 20232,443
1 Jan 20232,514.67
1 Dec 20222,555
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Testing

Rolling monthly average percent of E. coli bacteraemia tested for resistance to co-amoxiclav

Up to and including month of 1 Oct 2024

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 E-coli. Specifically the metric 'e-coli_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 December 2022 to 01 October 2024. It rose from 90.8 on 01 December 2022 to 90.91 on 01 March 2023. It fell from 91.08 on 01 April 2023 to 90.05 on 01 July 2023. It fell from 89.9 on 01 August 2023 to 88.9 on 01 November 2023. It rose from 88.57 on 01 December 2023 to 88.9 on 01 March 2024. It rose from 88.78 on 01 April 2024 to 88.81 on 01 July 2024. And finally. It rose from 88.55 on 01 August 2024 to 88.68 on 01 October 2024. 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 E. coli bacteraemia tested for resistance to co-amoxiclav

Up to and including 1 October 2024

Month% tested
1 Oct 202488.68
1 Sep 202488.74
1 Aug 202488.55
1 Jul 202488.81
1 Jun 202488.81
1 May 202489.16
1 Apr 202488.78
1 Mar 202488.9
1 Feb 202488.54
1 Jan 202488.69
1 Dec 202388.57
1 Nov 202388.9
1 Oct 202389.52
1 Sep 202389.89
1 Aug 202389.9
1 Jul 202390.05
1 Jun 202390.38
1 May 202390.79
1 Apr 202391.08
1 Mar 202390.91
1 Feb 202391.05
1 Jan 202390.89
1 Dec 202290.8
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Resistance

Rolling monthly average percent of E. coli bacteraemia resistant to co-amoxiclav

Up to and including month of 1 Oct 2024

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 E-coli. Specifically the metric 'e-coli_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 December 2022 to 01 October 2024. It rose from 42.94 on 01 December 2022 to 44.41 on 01 March 2023. It fell from 43.79 on 01 April 2023 to 42.16 on 01 July 2023. It rose from 42.19 on 01 August 2023 to 43.17 on 01 November 2023. It fell from 43.9 on 01 December 2023 to 41.02 on 01 March 2024. It rose from 40.91 on 01 April 2024 to 42.39 on 01 July 2024. And finally. It rose from 42.51 on 01 August 2024 to 42.69 on 01 October 2024. 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 E. coli bacteraemia resistant to co-amoxiclav

Up to and including 1 October 2024

Month% resistant
1 Oct 202442.69
1 Sep 202442.86
1 Aug 202442.51
1 Jul 202442.39
1 Jun 202441.65
1 May 202441.39
1 Apr 202440.91
1 Mar 202441.02
1 Feb 202441.91
1 Jan 202443.06
1 Dec 202343.9
1 Nov 202343.17
1 Oct 202342.27
1 Sep 202341.62
1 Aug 202342.19
1 Jul 202342.16
1 Jun 202342.86
1 May 202342.98
1 Apr 202343.79
1 Mar 202344.41
1 Feb 202344.39
1 Jan 202343.57
1 Dec 202242.94
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Gentamicin

Testing

Rolling monthly average number of E. coli bacteraemia tested for resistance to gentamicin

Up to and including month of 1 Oct 2024

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 E-coli. Specifically the metric 'e-coli_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 December 2022 to 01 October 2024. It fell from 2666.67 on 01 December 2022 to 2632.33 on 01 March 2023. It rose from 2678.67 on 01 April 2023 to 3050.33 on 01 July 2023. It fell from 3121.67 on 01 August 2023 to 2939.67 on 01 November 2023. It rose from 2856.67 on 01 December 2023 to 2872.67 on 01 March 2024. It rose from 2892.67 on 01 April 2024 to 3155.33 on 01 July 2024. And finally. It rose from 3250.67 on 01 August 2024 to 3253.33 on 01 October 2024. 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 E. coli bacteraemia tested for resistance to gentamicin

Up to and including 1 October 2024

MonthNumber tested
1 Oct 20243,253.33
1 Sep 20243,251.67
1 Aug 20243,250.67
1 Jul 20243,155.33
1 Jun 20243,064.67
1 May 20242,998.33
1 Apr 20242,892.67
1 Mar 20242,872.67
1 Feb 20242,830.33
1 Jan 20242,830
1 Dec 20232,856.67
1 Nov 20232,939.67
1 Oct 20233,075
1 Sep 20233,136
1 Aug 20233,121.67
1 Jul 20233,050.33
1 Jun 20232,909.67
1 May 20232,826
1 Apr 20232,678.67
1 Mar 20232,632.33
1 Feb 20232,525.67
1 Jan 20232,614.67
1 Dec 20222,666.67
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Testing

Rolling monthly average percent of E. coli bacteraemia tested for resistance to gentamicin

Up to and including month of 1 Oct 2024

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 E-coli. Specifically the metric 'e-coli_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 December 2022 to 01 October 2024. It fell from 94.74 on 01 December 2022 to 94.24 on 01 March 2023. It fell from 93.67 on 01 April 2023 to 93.39 on 01 July 2023. It fell from 93.25 on 01 August 2023 to 92.39 on 01 November 2023. It rose from 92.19 on 01 December 2023 to 92.41 on 01 March 2024. It fell from 92.22 on 01 April 2024 to 92.2 on 01 July 2024. And finally. It rose from 92.3 on 01 August 2024 to 92.52 on 01 October 2024. 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 E. coli bacteraemia tested for resistance to gentamicin

Up to and including 1 October 2024

Month% tested
1 Oct 202492.52
1 Sep 202492.2
1 Aug 202492.3
1 Jul 202492.2
1 Jun 202492.21
1 May 202492.1
1 Apr 202492.22
1 Mar 202492.41
1 Feb 202492.39
1 Jan 202492.21
1 Dec 202392.19
1 Nov 202392.39
1 Oct 202393.15
1 Sep 202393.22
1 Aug 202393.25
1 Jul 202393.39
1 Jun 202393.63
1 May 202393.95
1 Apr 202393.67
1 Mar 202394.24
1 Feb 202394.11
1 Jan 202394.5
1 Dec 202294.74
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Resistance

Rolling monthly average percent of E. coli bacteraemia resistant to gentamicin

Up to and including month of 1 Oct 2024

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 E-coli. Specifically the metric 'e-coli_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 December 2022 to 01 October 2024. It fell from 11.22 on 01 December 2022 to 10.43 on 01 March 2023. It rose from 11.06 on 01 April 2023 to 11.76 on 01 July 2023. It fell from 11.99 on 01 August 2023 to 11.83 on 01 November 2023. It rose from 11.83 on 01 December 2023 to 12.52 on 01 March 2024. It rose from 12.86 on 01 April 2024 to 12.95 on 01 July 2024. And finally. It fell from 12.71 on 01 August 2024 to 11.61 on 01 October 2024. 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 E. coli bacteraemia resistant to gentamicin

Up to and including 1 October 2024

Month% resistant
1 Oct 202411.61
1 Sep 202412.22
1 Aug 202412.71
1 Jul 202412.95
1 Jun 202412.52
1 May 202412.75
1 Apr 202412.86
1 Mar 202412.52
1 Feb 202412.13
1 Jan 202411.81
1 Dec 202311.83
1 Nov 202311.83
1 Oct 202311.72
1 Sep 202311.78
1 Aug 202311.99
1 Jul 202311.76
1 Jun 202311.8
1 May 202311.34
1 Apr 202311.06
1 Mar 202310.43
1 Feb 202310.53
1 Jan 202310.82
1 Dec 202211.22
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Piperacillin with tazobactam

Testing

Rolling monthly average number of E. coli bacteraemia tested for resistance to piperacillin with tazobactam

Up to and including month of 1 Oct 2024

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 E-coli. Specifically the metric 'e-coli_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 December 2022 to 01 October 2024. It fell from 2478.0 on 01 December 2022 to 2474.0 on 01 March 2023. It rose from 2531.0 on 01 April 2023 to 2876.67 on 01 July 2023. It fell from 2943.33 on 01 August 2023 to 2785.67 on 01 November 2023. It fell from 2698.33 on 01 December 2023 to 2686.0 on 01 March 2024. It rose from 2720.0 on 01 April 2024 to 2972.67 on 01 July 2024. And finally. It rose from 3042.67 on 01 August 2024 to 3103.0 on 01 October 2024. 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 E. coli bacteraemia tested for resistance to piperacillin with tazobactam

Up to and including 1 October 2024

MonthNumber tested
1 Oct 20243,103
1 Sep 20243,063.33
1 Aug 20243,042.67
1 Jul 20242,972.67
1 Jun 20242,891.33
1 May 20242,830
1 Apr 20242,720
1 Mar 20242,686
1 Feb 20242,659
1 Jan 20242,650.33
1 Dec 20232,698.33
1 Nov 20232,785.67
1 Oct 20232,910
1 Sep 20232,957.33
1 Aug 20232,943.33
1 Jul 20232,876.67
1 Jun 20232,748
1 May 20232,657
1 Apr 20232,531
1 Mar 20232,474
1 Feb 20232,382
1 Jan 20232,456.33
1 Dec 20222,478
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Testing

Rolling monthly average percent of E. coli bacteraemia tested for resistance to piperacillin with tazobactam

Up to and including month of 1 Oct 2024

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 E-coli. Specifically the metric 'e-coli_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 December 2022 to 01 October 2024. It rose from 88.06 on 01 December 2022 to 88.58 on 01 March 2023. It fell from 88.53 on 01 April 2023 to 88.06 on 01 July 2023. It fell from 87.93 on 01 August 2023 to 87.55 on 01 November 2023. It fell from 87.09 on 01 December 2023 to 86.42 on 01 March 2024. It rose from 86.73 on 01 April 2024 to 86.85 on 01 July 2024. And finally. It rose from 86.4 on 01 August 2024 to 88.25 on 01 October 2024. 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 E. coli bacteraemia tested for resistance to piperacillin with tazobactam

Up to and including 1 October 2024

Month% tested
1 Oct 202488.25
1 Sep 202486.87
1 Aug 202486.4
1 Jul 202486.85
1 Jun 202487
1 May 202486.94
1 Apr 202486.73
1 Mar 202486.42
1 Feb 202486.81
1 Jan 202486.35
1 Dec 202387.09
1 Nov 202387.55
1 Oct 202388.16
1 Sep 202387.9
1 Aug 202387.93
1 Jul 202388.06
1 Jun 202388.45
1 May 202388.33
1 Apr 202388.53
1 Mar 202388.58
1 Feb 202388.78
1 Jan 202388.79
1 Dec 202288.06
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Resistance

Rolling monthly average percent of E. coli bacteraemia resistant to piperacillin with tazobactam

Up to and including month of 1 Oct 2024

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 E-coli. Specifically the metric 'e-coli_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 December 2022 to 01 October 2024. It rose from 10.49 on 01 December 2022 to 11.75 on 01 March 2023. It fell from 12.5 on 01 April 2023 to 12.14 on 01 July 2023. It rose from 12.2 on 01 August 2023 to 12.76 on 01 November 2023. It fell from 12.76 on 01 December 2023 to 12.11 on 01 March 2024. It fell from 12.46 on 01 April 2024 to 12.38 on 01 July 2024. And finally. It fell from 12.02 on 01 August 2024 to 11.43 on 01 October 2024. 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 E. coli bacteraemia resistant to piperacillin with tazobactam

Up to and including 1 October 2024

Month% resistant
1 Oct 202411.43
1 Sep 202411.47
1 Aug 202412.02
1 Jul 202412.38
1 Jun 202412.72
1 May 202412.44
1 Apr 202412.46
1 Mar 202412.11
1 Feb 202412.69
1 Jan 202412.6
1 Dec 202312.76
1 Nov 202312.76
1 Oct 202312.59
1 Sep 202312.11
1 Aug 202312.2
1 Jul 202312.14
1 Jun 202312.83
1 May 202312.42
1 Apr 202312.5
1 Mar 202311.75
1 Feb 202311.39
1 Jan 202310.76
1 Dec 202210.49
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