Latest Changes

Title Description Major Minor Date
Updates to RAST breakpoints 2024/11/20
Additional agents in EUCAST RAST Breakpoints for several agents have been added to the RAST tables. Breakpoint and QC tables, methodology documents and calibration files have all been updated. 2023/04/25
Zone diameter distributions re-calibrated A new algorithm and software has been created through which wild type inhibition zone diameter distributions can be calculated and ECOFFs allocated. 2023/04/25
General committee meetings 2022 and 2023 The EUCAST annual General Committee meeting is open to anyone attending ECCMID. Minutes will eventually be posted. Minutes from the 2022 committee meeting in Lisbon 2022 are available. EUCAST Annual General Committee Meeting, during ECCMID 2023 Monday 17 April, 9.30 – 10.30 am, Meeting Room: Room 173, Bella Sky Hotel. 2023/04/08
QC-tables updated 13 March, 2023 The EUCAST QC tables have been updated and now contain new MIC ranges for S. aureus ATCC 29213 and S. pneumoniae ATCC 49619 (ampicillin, amoxicillin, amoxicillin-clavulanic acid, chlortetracycline and oxytetracycline). 2023/03/13
EUCAST uptake and maps of NACs updated for 2023 2023/03/08
Vibrio spp. calibration file (MIC vs. disk diffusion) made available 2023/02/24
Files demonstrating correlation between MIC and zone diameters updated. 2023/02/20
EUCAST and the IVDR EUCAST has prepared a statement in response to questions related to how the IVDR will affect users of EUCAST methods and guidance. The statement and a link to the directive are available at the EUCAST webpage. Translations to French and German are underway. 2023/02/17
Consultation: added agents for anaerobic bacteria 2023/02/10
Fosofomycin consultation - EUCAST response 2023/02/08
Guidance on cefotaxime and ceftriaxone in S. aureus 2023/02/08
EUCAST website statistics updated The statistics on the number of visits, views and downloads for the EUCAST website have been updated. 2023/02/06
Expert rules and Expected resistant phenotypes Updated documents January 2023. 2023/02/05
Revised Expert Rules document for Staphylococcus spp uploaded 2023/02/01
Antimycobacterial susceptibility testing - preparation of inoculum and the performance of CFU counts - new guidance document 2023/01/22
Guidance on how to implement revised aminopenicillin breakpoints (2023) in laboratory practice. 2023/01/14
Updated documents on disk diffusion methods 2023/01/02
Comments and responses to consultations on chloramphenicol, meningitis breakpoints and on S.aureus vs. cephalosporins, added. 2022/12/31
Aminopenicillin breakpoint consultation. Comments and EUCAST response to the 2022 consultation on aminopenicillin breakpoint changes are uploaded. 2022/12/20
FAA-HB medium for disk diffusion of anaerobe bacteria A warning to ascertain the quality of FAA-HB medium recommended for disk diffusion of anaerobic bacteria was posted. 2022/12/10
List of consultations amended 2022/12/02
Corynebacterium diphtheriae and C. ulcerans consultations - comments and response. 2022/12/02
Information added on the NAC of Montenegro A brief introduction to the NAC of Montenegro was added. 2022/12/02
VIPcheck Warning 2022/10/29
Breakpoints and methods for Corynebacterium diphtheriae and C. ulcerans published. 2022/10/27
The Chinese NAC has translated more EUCAST documents to chinese 2022/10/20
EUCAST uptake maps - Ukraine updated The uptake of EUCAST in Ukraine has been updated. 2022/08/25
Updated Warning on cefiderocol AST 2022/08/16
Several SOPs update (SOP 3, 4, 7, 8 Regular reviews and updates of SOP 2022/07/24
Tigecycline rationale and guidance documents were revised. The rationale doc ument is found following the link. The guidance on tigecycline dosing is among guidance documents.( 2022/07/21
Public consultation on revised chloramphenicol breakpoints Consultation period: 20 July - 11 September, 2022. 2022/07/20
Consultation on breakpoints for C. diphtheriae and C. ulcerans. Consultation is open 9 July - 11 September, 2022. 2022/07/09
Cefiderocol susceptibility testing A warning related to susceptibility testing of cefiderocol is issued. 2022/06/29
Screening for azole and echinocandin resistance Screening for azole and echinocandin resistance exemplified in Aspergillus 2022/06/22
Updated guidance document on "To detect and exclude resistance using phenotypic methods" For tetracycline to predict susceptibility and resistance for doxycycline, Campylobacter spp and Pasteurella multocida were added. 2022/06/13
Difficulties with ordering QC strain DSM 25589 from Germany have now been solved. 2022/06/09
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