Cumulative cases since outbreak start — Sri Lanka MoH bulletin dated 2026-08-24
Official report date — in isolated zones, field onset typically precedes this by days to weeks.
The exact nature of this date (week of confirmation, transmission period, or bulletin publication date) is not specified by the source.
Sri Lanka's National Dengue Control Unit reported 94,292 cumulative dengue cases and 72 deaths in 2026 (as of 24 August, CFR 0.076%). August alone accounts for 8,956 cases, after a July peak of 29,962. Gampaha (20,081 cases, 21.3%) and Colombo (18,709, 19.8%) remain the worst-affected districts, and Western Province concentrates 52.9% of the national total. The daily average for week 33 was 809 cases, with 76 MOH areas classified high-risk. Source: NaDSys surveillance, Sri Lanka Ministry of Health.
Case trend
First actions
- →Log in national surveillance system — continue routine monitoring
- →Compare with seasonal baseline for this region and disease
- →Include in weekly surveillance briefing — escalate if trend worsens (▲ cases or CFR)
Cite this page (Vancouver)
HealthWatch Global. Dengue fever outbreak — Sri Lanka [Internet]. 2026-08-24 [cited 2026 Aug 28]. Available from: https://healthwatch-global.com/en/outbreak/2c0f291c-e09b-4b96-afaf-7d7cb3e5251c. Data source: Sri Lanka MoH.
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