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Related Experiment Videos

Group B streptococcus.

A Schuchat1

  • 1Respiratory Disease Branch, Division of Bacterial and Mycotic Diseases, National Center for Infectious Diseases, Centers for Disease Control and Prevention, Atlanta, GA 30333, USA. acs1@cdc.gov

Lancet (London, England)
|February 19, 1999
PubMed
Summary

Group B Streptococcus (GBS) research in the 1990s focused on prevention, leading to reduced perinatal disease through antimicrobial prophylaxis and promising vaccine development. New GBS serotypes are also emerging as a significant cause of infection.

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Area of Science:

  • Microbiology
  • Infectious Diseases
  • Public Health

Background:

  • Group B Streptococcus (GBS) has historically been a significant cause of perinatal infections.
  • Research focus shifted towards prevention strategies during the 1990s.
  • GBS is increasingly recognized as a pathogen in nonpregnant adults.

Purpose of the Study:

  • To review advancements in GBS disease prevention strategies.
  • To evaluate the impact of interventions on perinatal GBS disease.
  • To assess the evolving epidemiology and burden of GBS infections.

Main Methods:

  • Review of GBS research trends and public health interventions.
  • Analysis of vaccine development and economic evaluations of prevention.
  • Examination of GBS epidemiology in both perinatal and nonpregnant adult populations.

Main Results:

  • Intrapartum antimicrobial prophylaxis significantly reduced perinatal GBS disease in North America and Australia.
  • Polysaccharide-protein conjugate vaccines demonstrated high immunogenicity and tolerability in women of reproductive age.
  • Heavy GBS colonization is linked to preterm, low-birthweight deliveries, and new serotypes are emerging.

Conclusions:

  • Prevention strategies, including prophylaxis and vaccines, have been effective in reducing GBS-related perinatal morbidity.
  • The burden of invasive GBS disease extends beyond the perinatal period to nonpregnant adults.
  • Ongoing evolution of GBS serotypes necessitates continued surveillance and adaptive prevention measures.

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