Bacteria

Most of EUCAST’s work is dedicated to defining breakpoints for bacteria that cause infections in humans.

How to Use This Section:

This page gives you access to information and services related to pathogenic bacteria.
Important: All resources here are complementary. Please review them together before releasing any laboratory report.

What You’ll Find:

  • Breakpoint Tables – clear instructions on testing and interpretation.
  • Guidance Documents – answers to more complex or exceptional questions.
  • Expected Phenotypes and Expert Rules – tools to validate laboratory results and provide reliable advice for antibiotic therapy.

News

The frequently asked questions document has recently been updated to include questions and answers relating to methods and breakpoints.

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Updated versions of MIC:ZD correlations have been published for relevant bacterial species. These correlations form the basis of validation of zone diameter criteria for disk diffusion methodology.

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A public consultation on revised carbapenem (with and without inhibitors) and ceftazidime-avibactam breakpoints against Gram-negative bacteria has been published. The revised breakpoints are presented…

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Contact

Looking for more information? Get in touch with an EUCAST representative today!

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