Latest Changes

Title Description Major Minor Date
Consultation on fosfomycin iv EUCAST posted a general consultation on revised breakpoints for intravenous fosfomycin. Consultation period 14 May - 15 June, 2022. Revised breakpoints will be published in breakpoint table 2023. 2022/05/14
Website statistics updated 2022/05/02
RAST - breakpoint error corrected in RAST tables 2022/05/02
Guidance note on topical agents revised 2022/04/12
All RAST documents updated All RAST documents were updated to include the validation of incubation beyond 8h (16-20h) 2022/04/12
Cefiderocol - rationale document updated. 2022/04/12
Updated broth microdilution of moulds document A new version of the Broth microdilution of moulds​​​​​​​ (version 9.4 to replace 9.3) published 1 April, 2022. 2022/04/01
The Enterobacterales calibration (MIC vs. Zone diameter) file update - temocillin included 2022/02/28
EUCAST/CCUG panel of P. aeruginosa strains available Nine phenotypically and genetically well characterized P. aeruginosa made available through EUCAST/CCUG. 2022/01/31
Antifungal agents breakpoints and ECOFFs - update 2022/01/18
Updated MIC vs. zone diameters calibration files. With changes in the breakpoint table v 12.0 and the adding of disk diffusion criteria for anaerobic bacterial and for Vibrio spp, the calibration files showing the relationship between MIC and inhibition zone diameters​​​​​​​ need updating. These are now available (Vibrio spp to follow).  2022/01/15
Delafloxacin ECOFFs and TECOFFs published Delafloxacin wild type distributions have been reviewed and ECOFFs and TECOFFs determined based on the methodology in EUCAST SOP 10.2. 2022/01/07
Intrinsic resistance and unusual phenotypes v 3.3 errata A few errors were discovered in the version 3.3 which are now corrected. 2021/12/30
Breakpoint tables v 12.0 (2022) and dosages published 2021/12/28
RAST breakpoint and QC updates published Rapid AST directly from positive blood culture bottles: breakpoints and QC updated to match the regular EUCAST breakpoints 2021/12/28
Disk diffusion methodology and criteria for interpretation now published. For breakpoints - go to the breakpoint table v 12.0 2021/12/28
Setting breakpoints for agent-inhibitor combinations Guidance document from 2017 updated. 2021/12/14
Recording of online seminar on disk diffusion of anaerobic bacteria posted 2021/12/09
Breakpoint table 12.0 on consultation 3 - 20 December 2021/12/03
Breakpoints in brackets - a guidance document EUCAST introduced breakpoints in brackets. A guidance document describes how these should be interpreted and reported. 2021/12/02
Several SOPs updated 2 December 2021 SOPs 1.4, 2.4, 5.3 and 10.2 updated 2021/12/02
Consultation on aminopenicillin breakpoints for Enterobacterales 2021/11/30
Website statistics updated Unique downloads and page views statistics updated. 2021/11/13
Itraconazole RD updated Itraconazole rationale document updated 2021/11/04
Colistin breakpoints for consultation 2021/10/06
EUCAST general consultation on breakpoints for anaerobic bacteria EUCAST is consulting (4 October - 15 November) on revised clinical breakpoints for anaerobic bacteria. 2021/10/04
General consultation on clinical breakpoints for Vibrio species Consultation period 1 October - 15 November 2021/10/01
EUCAST seminar on AST of anaerobes A EUCAST online seminar is offered Thu 9 December, 2021, in preparation for introducing disk diffusion for anaerobic bacteria. 2021/09/22
Disk diffusion of anaerobic bacteria Three months ahead of releasing breakpoints and disk diffusion correlates EUCAST publishes the methodology, the QC criteria and a disk diffusion reading guide. 2021/09/20
Review of MIC distribution database - glyco- and lipoglycopeptides 2021/08/23
Azithromycin, Telithromycin, Spiramycin, Tulathromycin MIC distributions reviewed 2021/08/18
MIC database for more agents curated Several more agents (trimethoprim-sulfamethoxazole, trimethoprim, erythromycin, clarithromycin, rifampicin) curated as part of the 2021 SOP 10.1 review of the entire MIC distribution database. 2021/07/27
To clinical colleagues on the definitions and use of S, I and R Please distribute to clinical colleagues, normally not updated on susceptibility testing matters. 2021/07/09
Ukrainian NAC chair appointed by the ministry 2021/07/05
Valdiation and calibration graphs updated for 2021 2021/07/01
Frequently Asked Questions updated The EUCAST frequently asked questions file has been updated. Several Qs added. 2021/06/04
Legionella susceptibility testing - guidance updated 2021/05/30
Meropenem MIC distributions reviewed All meropenem MIC distributions and ECOFFs reviewed. 2021/05/15
MIC and inhibition zone diameter database is being curated To date, aminoglycosides, P. multocida, M. hemolytica, Staph. pseudintermedius, Staph. hyicus have been curated. More agents and species to follow. 2021/05/12
Daptomycin rationale document v 2.0 uploaded 2021/05/12
Will adding Ca++ to Muller Hinton medium improve the detection of colistin resistance Publication in CMI 2021/05/04
Erratum in the breakpoint table v 11.0 Erratum in the Staphylococcus spp tab (fluroquinolone section): Footnote C should read: Isolates categorised as susceptible to norfloxacin can be reported susceptible (S) to moxifloxacin and "susceptible increased exposure" (I) to ciprofloxacin and levofloxacin. Isolates non-wild type to norfloxacin should be tested for susceptibility to individual agents. 2021/03/11
New and updated Rational Documents published Ten new or updated Rationale Documents were published (and stamped in the list with) 2021-02-08. 2021/02/08
Online seminars - new subjects EUCAST is looking for input from users on which titles for online seminars to concentrate on during 2021. 2021/02/03
RAST breakpoint tables updated 2020/12/30
QC tables updated 2020/12/30
Updated EUCAST disk diffusion manuals 2020/12/30
Updated broth microdilution reading guideline 2020/12/30
Updated breakpoint tables 2021 2020/12/30
Comments and responses to consultation of breakpoint table v 11.0 The 2021 version 11.0 breakpoint table was open for comments 4 December - 18 December, 2020. Comments and EUCAST responses now published. 2020/12/19