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Health Dictionary

Reliable, easy-to-read patient information on common medical conditions — written in plain language, free of jargon, and grounded in current evidence. Browse the most frequent diagnoses, understand what they mean for everyday life, and learn which steps and questions help you have a focused conversation with your doctor.

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Group B streptococcal infection classification

Introduction

Overview

Overview

Group B streptococcal (GBS) infection can be classified into three main categories depending on the type of affected subjects. GBS infection can occur in pregnant women, neonates, or non-pregnant adults mainly the elderly.[1] Neonatal GBS infection can be further classified into early-onset or late-onset depending on the timing of the onset of the symptoms. Infections in newborns occurring within the first week of life are designated as early-onset disease, whereas late-onset infections occur in infants aged >1 week, with most infections evident during the first 3 months of life. [2]

Classification

Classification

Infection in Pregnant Women

GBS infection in pregnant women can lead to any of the following:

Infection in Neonates

GBS infection in neonates can be classified as:[2]

Infection in Men and Non-Pregnant Women

GBS infection in non pregnant adults occurs mainly in elderly and subjects with underlying disease, such as diabetes.[1] GBS infection in elderly can manifest as any of the following:[4]

References

References

  1. ↑ 1.0 1.1 Edwards MS, Baker CJ (2005). “Group B streptococcal infections in elderly adults”. Clin Infect Dis. 41 (6): 839–47. doi:10.1086/432804. PMID 16107984.
  2. ↑ 2.0 2.1 Verani J.R., McGee L, and Schrag S.J. Prevention of Perinatal Group B Streptococcal Disease. Revised Guidelines from CDC, 2010.CDC.gov
  3. ↑ Berardi A, Rossi C, Lugli L, Creti R, Bacchi Reggiani ML, Lanari M; et al. (2013). “Group B streptococcus late-onset disease: 2003-2010”. Pediatrics. 131 (2): e361–8. doi:10.1542/peds.2012-1231. PMID 23296441.
  4. ↑ Farley MM (2001). “Group B streptococcal disease in nonpregnant adults”. Clin Infect Dis. 33 (4): 556–61. doi:10.1086/322696. PMID 11462195.


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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Rim Halaby, M.D. [2]