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Updated: Jun 23, 2026

A Murine Model of Group B Streptococcus Vaginal Colonization
Published on: November 16, 2016
Molecular and phenotypic characterization of invasive group B streptococcus strains from infants in Norway 2006-2007
H Bergseng1, J E Afset, A Radtke
1Department of Laboratory Medicine, Children's and Women's Health, Norwegian University of Science and Technology, Trondheim, Norway. hakon.bergseng@ntnu.no
Abstract:
Multilocus sequence typing of an almost complete collection of invasive group B streptococcus (GBS) strains from infants in Norway, conducted in 2006-2007, revealed 27 sequence types (ST), of which 23 clustered into five clonal complexes. The case fatality rate of invasive GBS disease in infants was 16/98 (16.3%). Type V strains were predominant among strains resistant to erythromycin and clindamycin (11/18; 61.1%). All type V strains from fatal cases (5/16) were ST1, resistant to erythromycin and clindamycin, and belonged to three pulsed-field gel electrophoresis-clusters. Further analysis of virulence characteristics of these apparently highly virulent subtypes of type V, ST1 GBS strains is warranted.
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