It is reported that 55 medical officer divisions in 15 districts have been designated as dengue high risk zones.
Accordingly, the districts of Colombo, Gampaha, Kalutara, Matale, Kandy, Galle, Matara, Hambantota, Jaffna, Batticaloa, Trincomalee, Puttalam, Kurunegala, Kegalle, Ratnapura have been designated as dengue high risk zones.