Abstract

New Clinical Strain of Neisseria gonorrhoeae with Decreased Susceptibility to Ceftriaxone, Japan.

Highlights

  • Disk diffusion (EUCAST standardised disk diffusion method) Medium: Mueller-Hinton agar Inoculum: McFarland 0.5 Incubation: Air, 35±1oC, 18±2h Reading: Read zone edges as the point showing no growth viewed from the back of the plate against a dark background illuminated with reflected light

  • Disk diffusion (EUCAST standardised disk diffusion method) Medium: Mueller-Hinton agar Inoculum: McFarland 0.5 Incubation: Air, 35±1oC, 18±2h Reading: Read zone edges from the back of the plate against a dark background illuminated with reflected light

  • For staphylococci other than S. aureus, S. lugdunensis and S. saprophyticus the cefoxitin MIC is a poorer predictor of methicillin resistance than the disk diffusion test. 5/B

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Summary

Breakpoint tables for interpretation of MICs and zone diameters

This document should be cited as "The European Committee on Antimicrobial Susceptibility Testing. Breakpoint tables for interpretation of MICs and zone diameters. Content Notes Guidance on reading EUCAST breakpoint tables Changes Enterobacteriaceae Pseudomonas spp. Streptococcus groups A, B, C and G Streptococcus pneumoniae Viridans group streptococci Haemophilus influenzae Moraxella catarrhalis Neisseria gonorrhoeae Neisseria meningitidis Gram-positive anaerobes Clostridium difficile Gram-negative anaerobes Helicobacter pylori Listeria monocytogenes Pasteurella multocida Campylobacter jejuni and coli Corynebacterium spp. Mycobacterium tuberculosis PK/PD (Non-species related) breakpoints Expert Rules Detection of Resistance Mechanisms Breakpoints for topical use of antimicrobial agents

Guidance on reading EUCAST Breakpoint Tables
All tables
Teicoplanin Telavancin Vancomycin
Miscellaneous agents
Doripenem Ertapenem Imipenem Meropenem
Doxycycline Minocycline Tetracycline Tigecycline
Stenotrophomonas maltophilia
NoteA NoteA NoteA NoteA
IP NoteA NoteA NoteA
NoteA NoteA
Oxacillin Cloxacillin Dicloxacillin Flucloxacillin
NoteA NoteA NoteA NoteA NoteA
NoteA NoteA NoteA NoteA NoteA NoteA
Streptococcus pneumoniae
Viridans group streptococci
Haemophilus influenzae
Do not test
Moraxella catarrhalis
Numbers for comments on MIC breakpoints
Neisseria meningitidis
IE NA
Daptomycin Fusidic acid Fidaxomicin Metronidazole Rifampicin
Metronidazole Rifampicin
Benzylpenicillin Ampicillin
Pasteurella multocida
Campylobacter jejuni and coli
Ciprofloxacin Moxifloxacin
Delamanid Bedaquiline
Levofloxacin Moxifloxacin Nalidixic acid Norfloxacin Ofloxacin

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