Related Experiment Video
Updated: Aug 18, 2026

Experimental Human Pneumococcal Carriage
Published on: February 15, 2013
Penicillin-resistant pneumococci
Abstract:
Because of reports documenting the occurrence of pneumococci resistant to penicillin, the Microbiology Resource Committee of the College of American Pathologists studied the accuracy of various Kirby-Bauer disks in identifying a pneumococcal organism known to be clinically resistant to penicillin. The only disk that showed acceptable performance was the 1-microgram oxacillin disk, using the inhibition diameter of 19 mm or less as the criterion for predicting clinical penicillin resistance. It is particularly important to understand that, at present, penicillin disks do not provide acceptable predictive accuracy.
More Related Videos
11:32Following in Real Time the Impact of Pneumococcal Virulence Factors in an Acute Mouse Pneumonia Model Using Bioluminescent Bacteria
Published on: February 23, 2014
06:05Using the Overlay Assay to Qualitatively Measure Bacterial Production of and Sensitivity to Pneumococcal Bacteriocins
Published on: September 30, 2014
Related Concept Videos
Pneumonia I: Introduction
Risk Factors
Various factors influence the likelihood of developing pneumonia. Age plays a crucial role, with infants, children under two, and individuals over 65 at increased risk due to their...
Development of Antibiotic Resistance
Atypical Pneumonia
Mechanism of Antibiotic Resistance in MRSA
Clinical Significance of Antibiotic Resistance
Pneumonia I: Introduction