According to the National Dengue Control Unit (NDCU) in Colombo, Sri Lanka, a total of 25,082 dengue cases have been reported across Sri Lanka so far in 2026.
In all of 2025, the country saw 51,000 cases.
Health officials say the highest number of cases have been reported from the districts of Colombo, Gampaha, Matara, Galle, Ratnapura and Kalutara, as well as the Colombo Municipal Council area.
In addition, there has been 12 dengue related deaths reported this year.
Consultant Community Physician Dr. Prashila Samaraweera advises the public to seek immediate medical attention if fever persists for more than two days, saying early diagnosis can help determine whether a patient has dengue.



