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Outbreak Updates

21 October 2025

Samoa

Dengue in Samoa

As of 12 October 2025, Samoa Ministry of Health has recorded a total of 14,996 clinically diagnosed dengue cases (including 4,362 laboratory confirmed) and seven deaths since January 2025. The circulating serotypes remain predominantly DENV-1 (91 percent) and DENV-2 (9 percent). In the week 6–12 October, case numbers increased by 4.5 percent compared to the previous week. Please see our Topics in Brief article for further details on dengue.

Source: SPC Dengue in brief

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Hospital for Tropical Diseases

Liverpool School of Tropical Medicine

London School of Hygiene and Tropical Medicine

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Dengue in Samoa

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