Escherichia coli ATCC 35218 as a quality control isolate for susceptibility testing of Haemophilus influenzae with haemophilus test medium.


Current National Committee for Clinical Laboratory Standards (NCCLS) susceptibility guidelines for quality control testing with Haemophilus influenzae do not include a beta-lactamase-producing strain that could detect the deterioration of the beta-lactamase inhibitor components of amoxicillin-clavulanic acid, ampicillin-sulbactam, and piperacillin… (More)