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Dengue cases in Sri Lanka exceed 94,000 as outbreak accelerates

Sri Lanka's dengue epidemic has crossed the 94,000-case threshold, marking a significant surge in the mosquito-borne disease as authorities intensify control measures across the island.

LSN Sri Lanka · 24 August 2026

Dengue cases in Sri Lanka exceed 94,000 as outbreak accelerates

The number of confirmed dengue infections in Sri Lanka has surpassed 94,000 cases, underscoring the severity of the ongoing outbreak that has affected communities nationwide. The escalating caseload represents a considerable burden on the country's healthcare system, which has been mobilising resources to manage patient care and disease surveillance across multiple districts.

The dengue virus, transmitted primarily by Aedes mosquitoes, thrives in warm, humid conditions prevalent across Sri Lanka. The spike in cases reflects seasonal patterns combined with favourable breeding conditions that have enabled rapid disease transmission in residential and commercial areas throughout the country.

Public health officials have appealed to residents to take preventive measures, including eliminating standing water where mosquitoes breed and using protective measures during peak transmission hours. The authorities have also ramped up vector control operations in high-incidence zones to reduce mosquito populations and interrupt transmission chains.

With cases continuing to mount, health authorities have stressed the importance of early case detection and treatment to prevent severe dengue complications. Individuals experiencing symptoms such as fever, headache, joint pain, and rash are urged to seek medical attention promptly to enable timely diagnosis and appropriate clinical management.