Indian Journal of Pathology and Microbiology
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Year : 2015  |  Volume : 58  |  Issue : 1  |  Page : 45-47

Selectivity evaluation of a new chromogenic medium to detect group B Streptococcus

1 Department of Diagnostic Services, O.U. Laboratory Analysis of Clinical Chemistry and Microbiology, S. Maria Della Scaletta Hospital, Imola, Via Montericco, 40026 Bologna, Italy
2 Department of Molecular Medicine and Medical Biotechnology, School of Medicine, University of Naples Federico II, Via Pansini, 80131 Naples, Italy

Correspondence Address:
Dr. Salvatore Pignanelli
Via Guelfa, No. 30, 40138 Bologna
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/0377-4929.151186

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Background: Group B Streptococcus (GBS) is an important pathogen that causes serious infections in newborns. Pregnant screening and intrapartum antibiotic prophylaxis are actually the strategies to prevent GBS disease in neonates because vaccination is under investigation. Materials and Methods: Simultaneously, 156 isolates of GBS and 156 isolates other than GBS covering 17 different species, were tested to evaluate the selectivity of a new chromogenic medium to screen GBS. Results: The new new chromogenic medium showed an excellent performance, exhibiting a very high level of inclusivity (100%) and exclusivity (96.1%).

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