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- Title
Reproducibility of disc susceptibility tests with Haemophilus influenzae.
- Authors
Barry, A. L.; Jorgensen, J. H.; Hardy, D. J.
- Abstract
Triplicate susceptibility tests were performed in each of three laboratories with 45 strains of Haemophilus influenzae and a single lot of Haemophilus test medium (HTM) agar plates. Using clarithromycin, erythromycin and chloramphenicol discs. zone sizes varied over ranges averaging only 4.3-5.8 mm. Ampicillin zone sizes were more variable, especially when beta-lactamase-producing strains were being tested, but the latter strains were consistently categorized as being resistant. A 94% interpretive consistency was observed with the two macrolides.
- Publication
Journal of Antimicrobial Chemotherapy (JAC), 1991, Vol 27, Issue 3, p295
- ISSN
0305-7453
- Publication type
journal article