Mpox vaccine trial for frontline workers shows promise in High-Risk region

NCT ID NCT02977715

First seen May 02, 2026 · Last updated May 15, 2026 · Updated 2 times

Summary

This study tested the JYNNEOS smallpox vaccine in 1,600 healthcare workers in the Democratic Republic of the Congo who are at high risk of catching mpox. The goal was to see if the vaccine can prevent mpox infection and is safe to use. Participants received the vaccine and were monitored for infections, exposure, and side effects.

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Contacts and locations

Locations

  • Tshuapa site

    Boende, Tshuapa, Democratic Republic of the Congo

Conditions

Explore the condition pages connected to this study.