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A Murine Model of Group B Streptococcus Vaginal Colonization
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Group B streptococcus - a pathogen not restricted to neonates.

Birger Trollfors1, Fredrik Melin2, Margret Johansson Gudjonsdottir1

  • 1Department of Pediatrics, Sahlgrenska University Hospital, Gothenburg, Sweden and University of Gothenburg, Gothenburg, Sweden.

IJID Regions
|September 5, 2022
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Summary
This summary is machine-generated.

Invasive group B streptococcal (GBS) infections are a significant concern across all age groups. Intrapartum antibiotic prophylaxis effectively reduces very early-onset GBS infections in neonates.

Keywords:
CSF, cerebrospinal fluidGBS, Group B streptococcus (Streptococcus agalactiae)age differencegroup B streptococcusinvasive infectionprognosis

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Area of Science:

  • Microbiology
  • Infectious Diseases
  • Public Health

Background:

  • Group B Streptococcus (GBS) is a significant bacterial pathogen.
  • Invasive GBS infections can affect individuals across all age demographics.
  • Understanding GBS epidemiology is crucial for public health strategies.

Purpose of the Study:

  • To analyze the incidence and trends of invasive GBS infections in a defined region of Sweden over a 14-year period.
  • To assess the impact of intrapartum antibiotic prophylaxis on neonatal GBS infections.
  • To characterize GBS infections across different age groups.

Main Methods:

  • Retrospective study design.
  • Data collection from four bacteriological laboratories and patient records.
  • Analysis of GBS isolates from normally sterile body fluids.

Main Results:

  • 1101 patients and 1244 GBS isolates were identified.
  • Neonatal GBS incidence was 7.3 per 100,000 live births, decreasing significantly after 2012 with the implementation of intrapartum antibiotic prophylaxis.
  • Incidence rates in children, adults, and elderly were 1.3, 3.6, and 12.9 per 100,000, respectively, with severe underlying diseases noted in many cases.

Conclusions:

  • GBS remains an important pathogen affecting all age groups.
  • Intrapartum antibiotic prophylaxis demonstrates a significant reduction in very early-onset neonatal GBS infections.
  • Continued surveillance and targeted interventions are necessary to manage GBS infections.