disaster
World: Epidemic and emerging disease alerts in the Pacific as of 21 July 2026
Summary by Christgiving Editorial Desk · Based on reporting by Pacific Community , ReliefWeb
· July 21, 2026
· 7 min read
Countries: World, American Samoa, Australia, Cambodia, New Caledonia (France), New Zealand, Samoa, United States of America, Vanuatu, Wallis and Futuna (France) . Highlights/updates since the last map was sent on PacNet on 14 July 2026: Dengue • American Samoa: As of 21 July 2026, dengue transmissio
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Summary created by Christgiving Editorial Desk — automated, rule-governed Original reporting Pacific Community, ReliefWeb Original story Read at the source Source published Jul 21, 2026 Indexed here Jul 21, 2026 AI assistance Automated summary drawn from the source’s own published text Prepublication human review No — editorial rules, flagged-item review, and published samples
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Key takeaway • New Caledonia: As of 19 July 2026, a cumulative total of 2,214 dengue cases has been reported in New Caledonia since 1st January 2026, with the most recent case notified on 19 July 2026.
Why this matters
The ongoing dengue outbreaks in American Samoa, New Caledonia, and Samoa highlight the need for sustained control measures and continued vigilance in the Pacific region. Despite the declining trend in case numbers, the cumulative total of laboratory-confirmed cases remains significant, with American Samoa reporting 1,036 cases since July 2025 and Samoa reporting 5,520 laboratory-confirmed cases since January 2025. The concentration of cases among children and adolescents under 20 years of age underscores the importance of targeted public health interventions. The fact that most cases have been managed without complications is a testament to the effectiveness of early medical presentation and intervention. As the region enters a period typically associated with a slowdown in transmission, it is crucial for health authorities to maintain their efforts to prevent resurgence and protect vulnerable populations. The continued blue alert for dengue in these countries serves as a reminder of the ongoing risk.
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 .
For the complete original report, visit ReliefWeb . Have a tip or correction? Contact our newsroom .
Category: disaster ·
Published: July 21, 2026 ·
Source: ReliefWeb ·
Reading time: 7 min
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Frequently asked about this story
What is this story about? Countries: World, American Samoa, Australia, Cambodia, New Caledonia (France), New Zealand, Samoa, United States of America, Vanuatu, Wallis and Futuna (France) . Highlights/updates since the last map was sent on PacNet on 14 July 2026: Dengue • American Samoa: As of 21 July 2026, dengue transmissio
When was this published? This article was first published on July 21, 2026 by ReliefWeb and curated for Christgiving readers.
Who reported this story? This story was reported by Pacific Community 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 .