Extraintestinal isolates of Escherichia coli: Identification and prospects for vaccine development

Thomas A. Russo, James R. Johnson

Research output: Contribution to journalReview articlepeer-review

24 Scopus citations


Extraintestinal pathogenic Escherichia coli (ExPEC) cause a wide variety of infections that are responsible for significant morbidity, mortality and costs to our healthcare system. Thereby, the development of an efficacious ExPEC vaccine will minimize disease and may be cost-effective in selected patient groups. Surface polysaccharides, such as capsule, have been traditional targets for vaccine development. Considering that significant antigenic heterogeneity exists among surface polysaccharides present in various ExPEC strains, their use as vaccine candidates will be challenging. Therefore, alternative vaccine candidates/approaches are being identified and evaluated and are discussed in this review. The authors envision that an efficacious ExPEC vaccine will consist of either a polyvalent subunit vaccine or a genetically engineered killed whole-cell vaccine.

Original languageEnglish (US)
Pages (from-to)45-54
Number of pages10
JournalExpert Review of Vaccines
Issue number1
StatePublished - Feb 2006


  • Adhesins
  • Core saccharides
  • Extraintestinal pathogenic Escherichia coli
  • Formalin-killed bacteria
  • Lipid A
  • Outer membrane proteins
  • Vaccine
  • Whole-cell vaccine


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