Sri Lanka National Dengue Control Unit: Weekly Dengue Update, Week 35 (24th – 30th August 2026)

Country: Sri Lanka Source: Government of Sri Lanka Please refer to the attached file. DENGUE CASE REPORTING During the 35th week, 1296 suspected dengue cases were reported across 24 districts, compared to 1802 cases in the previous week, reflecting 28. 1% decrease. The Western Province accounted for 50. 9% of total cases, with the Colombo Municipal Council (CMC) contributing 3. 5%, the rest of Colombo District 19. 3%, Gampaha District 20. 9%, and Kalutara District 7. 3%. Outside the Western Province, notable case contributions were reported from Kandy (11. 7%), Kegalle (5%), Ratnapura (4. 2%), Galle (4. 2%), Matara (3. 3%), Kurunegala (2. 9%), Puttalam (2. 9%), and Kalmunai (2. 4%). (see Table 1) (compared to the previous week, colour of %: red=increase, green=decrease, blue=no change).

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