EUCAST News
Here you can find the latest news and updates from EUCAST.
Updates from EUCAST AFST, October 2025
The following ECOFFs and breakpoints for antifungal agents have been established or revised and are now found in the associated revised rationale documents, the breakpoint document and the ECOFF and breakpoints document available...[more]
MIC distributions and ECOFFs under review
Wild type MIC distributions and ECOFFs for trimethoprim, trimethoprim-sulfamethoxazole and sulfamethoxazole are under review and it is clear that several distributions and ECOFFs will be changed. Learn more on MIC...[more]
The farewell of an old webmaster
Within days the EUCAST website will have a new face. Do not worry - you do not have to prepare, change or add anything. The old webmaster bows out and someone new takes over. I have looked after the website and its transitions...[more]
Website statistics update Q3 2025
The statistics for visits to the EUCAST websites are updated quarterly - now the 3rd Quarter 2025. [more]
Pefloxacin screening for fluoroquinolone resistance in Enterobacterales
Fluoroquinolone breakpoints are under review. Shortly there will be a public consultation. Since industry and users sometimes complain that EUCAST fails to warn of upcoming changes we now emphasize that (a) a change is coming,...[more]
MH-F vs. MH-S for AST of fastidious organisms
The EUCAST preferred and recommended medium for AST of fastidious microorganisms is still MH-F, but MH-S can be used for most. EUCAST has now systematically compared _MH-F and MH-S to see if the media are...[more]
RDs for benzylpenicillin and imipenem-relebactam updated
Rationale Documents for benzylpenicillin and imipenem-relebactam were updated 2025-09-22. [more]
