disaster
World: Disease Outbreak News: Yellow fever - Global (24 June 2026)
By World Health Organization at ReliefWeb
· June 24, 2026
· 23 min read
Countries: World, Bolivia (Plurinational State of), Brazil, Burkina Faso, Cameroon, Central African Republic, Colombia, Ecuador, Peru, Venezuela (Bolivarian Republic of) . Following an increase of cases in the Americas in 2025, transmission activity remained into 2026. From 1 January to 26 May 2026,
Key takeaway From January to May 2026, three countries in Africa reported 16 confirmed human cases, with an additional 32 suspected cases under investigation in five other countries.
Why this matters
The ongoing yellow fever outbreaks in the Americas and Africa highlight the need for sustained vaccination efforts and active surveillance in high-risk countries. With 79 human infections reported in six countries in the Americas and 16 confirmed cases in three African countries from January to May 2026, the risk of further transmission remains high. The World Health Organization's emphasis on vaccination as the primary means of prevention and control is crucial, particularly in areas with gaps in immunization coverage. The fact that outbreaks have been consistent with seasonal patterns in countries with a history of yellow fever transmission, but have also been detected in previously unaffected areas, suggests that viral introduction and urban transmission are growing concerns. As global mobility increases and climate shifts expand vector suitability, the potential for international spread becomes more pressing, making cross-border coordination and information sharing essential to preventing further outbreaks.
About this story
Original reporting by ReliefWeb . Christgiving 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 24, 2026 ·
Source: ReliefWeb ·
Reading time: 23 min
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Frequently asked about this story
What is this story about? Countries: World, Bolivia (Plurinational State of), Brazil, Burkina Faso, Cameroon, Central African Republic, Colombia, Ecuador, Peru, Venezuela (Bolivarian Republic of) . Following an increase of cases in the Americas in 2025, transmission activity remained into 2026. From 1 January to 26 May 2026,
When was this published? This article was first published on June 24, 2026 by ReliefWeb and curated for Christgiving readers.
Who reported this story? This story was reported by World Health Organization at ReliefWeb. To learn more about how Christgiving selects and reviews stories, see our editorial standards .
Where can I find related coverage? See more disaster coverage from Christgiving, or browse our daily briefing and topic hubs .