Immunisation

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Trials to join now! 1 Completed 1

Can a drinkable vaccine stop Shigella's grip?

Vaccine Completed

This trial tests an experimental oral vaccine, WRSs2, designed to protect against Shigella sonnei, a common cause of severe diarrhea. Healthy adults aged 18-49 receive either the vaccine or a placebo, then are later exposed to the live bacteria in a controlled setting to see if t…

Matched conditions: IMMUNISATION

Phase 2 • Sponsor: National Institute of Allergy and Infectious Diseases (NIAID) • Aim: Vaccine

Last updated Aug 12, 2026 00:00 UTC

Immunisation

Get alerted when new Immunisation trials appear

Can a drinkable vaccine stop Shigella's grip?