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Title: Prevalence of non-penicillin-susceptible group B streptococcus in Philadelphia and specificity of penicillin resistance screening methods. Author: Kasahara K, Baltus AJ, Lee SH, Edelstein MA, Edelstein PH. Journal: J Clin Microbiol; 2010 Apr; 48(4):1468-9. PubMed ID: 20107093. Abstract: A total of 1,991 group B streptococcus (GBS) isolates, collected in 2008 and 2009, were tested for non-penicillin susceptibility by broth microdilution, disk testing, and oxacillin screening agar. No GBS isolates were non-penicillin susceptible. Oxacillin and ceftizoxime disk testing results showed that proposed screening criteria are nonspecific. The oxacillin screening agar was specific but of unknown sensitivity.[Abstract] [Full Text] [Related] [New Search]