The Health Ministry has provided mosquito nets to residents in the Kilinochchi and Mullaitivu districts where Chikungunya, Malaria and Dengue are prevalent. Health sector sources state that the mosquito population is on the increase due to global warming and monsoon rains. A number of people affected by Chikungunya and Malaria have been reported from these areas. Over 15,463 dengue patients were reported in 2004 with 88 deaths reported while 28 deaths were reported in 2005.