The 2022 Vaccines Against Shigella and Enterotoxigenic Escherichia coli (VASE) Conference: Summary of abstract-based presentations

Soumalya Banerjee, Eileen M. Barry, Shahida Baqar, A. Louis Bourgeois, Joseph J. Campo, Robert K.M. Choy, Subhra Chakraborty, Allison Clifford*, Carolyn Deal, Marcus Estrada, James Fleckenstein, Mateusz Hasso-Agopsowicz, William Hausdorff, Ibrahim Khalil, Nicole Maier, Cynthia Mubanga, James A. Platts-Mills, Chad Porter, Firadausi Qadri, Michelo SimuyandiRichard Walker, Jessica A. White

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review


The global nonprofit organization PATH hosted the third Vaccines Against Shigella and Enterotoxigenic Escherichia coli (VASE) Conference in Washington, DC, on November 29 to December 1, 2022. With a combination of plenary sessions and posters, keynote presentations, and breakout workshops, the 2022 VASE Conference featured key updates on research related to the development of vaccines against neglected diarrheal pathogens including Shigella, enterotoxigenic Escherichia coli (ETEC), Campylobacter, and Salmonella. The presentations and discussions highlighted the significant impact of these diarrheal pathogens, particularly on the health of infants and young children in low- and middle-income countries, reflecting the urgent need for the development and licensure of new enteric vaccines. Oral and poster presentations at the VASE Conference explored a range of topics, including: the global burden and clinical presentation of disease, epidemiology, and the impact of interventions; the assessment of the value of vaccines against enteric pathogens; preclinical evaluations of vaccine candidates and models of enteric diseases; vaccine candidates in clinical trials and human challenge models; host parameters and genomics that predict responses to infection and disease; the application of new omics technologies for characterization of emerging pathogens and host responses; novel adjuvants, vaccine delivery platforms, and immunization strategies; and strategies for combination/co-administered vaccines. The conference agenda also featured ten breakout workshop sessions on topics of importance to the enteric vaccine field, which are summarized separately. This article reviews key points and highlighted research presented in each of the plenary conference sessions and poster presentations at the 2022 VASE Conference.

Original languageEnglish
Pages (from-to)1454-1460
Number of pages7
Issue number7
StatePublished - 7 Mar 2024
Externally publishedYes


  • Campylobacter
  • Enteric diseases
  • Enterotoxigenic Escherichia coli
  • Invasive non-typhoidal Salmonella
  • Shigella
  • Vaccine development


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