disaster
Validating Progress Towards Closing Immunity Gaps in South Sudan - Rapid Convenience Monitoring: Findings and Priority Actions
By World Health Organization at ReliefWeb
· June 23, 2026
· 1 min read
. Introduction The Big Catch-Up (BCU) initiative was implemented by the Ministry of Health of South Sudan, with support from WHO, UNICEF, Gavi, and immunization partners, to identify and vaccinate children who missed routine immunization services and restore population immunity following disruptions
Key takeaway A Rapid Convenience Monitoring (RCM) survey conducted across 26 counties assessed vaccination uptake, caregiver awareness, accessibility of services, and barriers to vaccination among 2,354 children.
Why this matters
The progress made by the Big Catch-Up initiative in South Sudan has significant implications for the country's overall health security. By identifying and vaccinating children who missed routine immunization services, the initiative addresses a critical gap in population immunity that was exacerbated by the COVID-19 pandemic. The Rapid Convenience Monitoring survey's findings on geographic inequities and documentation challenges highlight the need for targeted interventions to ensure equitable access to vaccination services. As the initiative moves forward, it will be crucial to address these persistent barriers and ensure that every child is protected. The involvement of international partners such as WHO, UNICEF, and Gavi underscores the importance of collaborative efforts in strengthening health systems and achieving immunization goals. The success of the Big Catch-Up initiative can inform similar efforts in other countries facing similar challenges, making it a valuable model for global health initiatives.
About this story
Original reporting by ReliefWeb . Jesus Give surfaces reporting from trusted publishers and adds local editorial context so readers can quickly understand what a story means for their community. We attribute every source, link to the original report, and follow a documented editorial standards policy. To understand how stories are selected and reviewed, read our about page .
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Category: disaster ·
Published: June 23, 2026 ·
Source: ReliefWeb ·
Reading time: 1 min
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Frequently asked about this story
What is this story about? . Introduction The Big Catch-Up (BCU) initiative was implemented by the Ministry of Health of South Sudan, with support from WHO, UNICEF, Gavi, and immunization partners, to identify and vaccinate children who missed routine immunization services and restore population immunity following disruptions
When was this published? This article was first published on June 23, 2026 by ReliefWeb and curated for Jesus Give readers.
Who reported this story? This story was reported by World Health Organization at ReliefWeb. To learn more about how Jesus Give selects and reviews stories, see our editorial standards .
Where can I find related coverage? See more disaster coverage from Jesus Give, or browse our daily briefing and topic hubs .