EUCAST News
Here you can find the latest news and updates from EUCAST.
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]
Reminder - public consultation ends 30 September
This is a reminder that the EUCAST public consultation on carbapenem susceptibility testing and reporting ends on the 30 September, 2025: The proposed addition of a comment for carbapenemase-producing Enterobacterales.See...[more]
Manufacturers of MH-F and FAA plates to contact EUCAST
Manufacturers and distributors of prepoured MH-F and FAA agar plates for EUCAST susceptibility testing by disk diffusion of fastidious (medium MH-F with horse blood) and anaerobic species (medium FAA with horseblood) are...[more]
Fluoroquinolone breakpoints under review
Fluroquinolone breakpoints are under review and will likely be lowered for Enterobacterales whereas breakpoints for other species are less likely to change. Laboratories and manufacturers of susceptibility testing devices are...[more]
