To pre-empt spread of mosquito-borne dengue fever with the onset of heavy rains in many parts of Sri Lanka, the health officials have stepped up their dengue response.The health officials have recorded 42,051 total cases with the Western Province seeing the most in the country. The Colombo district alone recorded a total of 8,808 dengue cases which is the highest. The Gampaha district recorded the second highest number of dengue cases which is 6,388 while the Galle district recorded 4,337 dengue cases.