Sri Lanka National Dengue Control Unit: Weekly Dengue Update, Week 25 (15th – 21th June 2026)

Country: Sri Lanka Source: Government of Sri Lanka Please refer to the attached file. DENGUE CASE REPORTING During the 25th week, 5267 suspected dengue cases were reported across 24 districts, compared to 4819 cases in the previous week, reflecting an 9. 3% increase. The Western Province accounted for 57. 1% of total cases, with the Colombo Municipal Council (CMC) contributing 3. 7%, the rest of Colombo District 20. 9%, Gampaha District 23. 9%, and Kalutara District 8. 6%. Outside the Western Province, notable case contributions were reported from Kandy (8. 4%), Matara (7. 2%), Galle (4. 7%), Hambantota (3. 5%), Ratnapura (3%), Puttalam (2. 5%), and Kegalle (2. 5%) (see Table 1).

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