King Salman Humanitarian Aid and Relief Center (KSrelief) launched yesterday a five-day spraying campaign to combat malaria and dengue fever in the Hayran Directorate of Hajjah governorate, Yemen, with participation of 20 volunteers, in cooperation with Al-Khair Coalition for Humanitarian Relief. The Director of Hayran Directorate Hamad Rabie said that the launch of the campaign of spraying pesticides comes in the light of mosquitoes in the governorate, which led to high cases of malaria and dengue fever, pointing to the spraying of insecticides in a number of Directorates under the supervision of KSrelief.